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Relevant bibliographies by topics / Animal metamorphosis

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Academic literature on the topic 'Animal metamorphosis'

Author: Grafiati

Published: 4 June 2021

Last updated: 13 February 2022

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Journal articles on the topic "Animal metamorphosis"

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Holmes, John A., Helen Chu, Syeda A. Khanam, Richard G. Manzon, and John H. Youson. "Spontaneous and induced metamorphosis in the American brook lamprey, Lampetra appendix." Canadian Journal of Zoology 77, no. 6 (October 10, 1999): 959–71. http://dx.doi.org/10.1139/z99-056.

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We described the seven stages of spontaneous metamorphosis in the American brook lamprey (Lampetra appendix) and assessed the importance of size as a determinant of spontaneous and induced metamorphosis. Serum concentrations of the thyroid hormones (TH) thyroxine (T4) and triiodothyronine (T3) were measured in metamorphosing and nonmetamorphosing L. appendix. The sequence of stages in metamorphosis and changes in the relative lengths of most body regions were consistent with data reported for other lamprey species. However, premetamorphic and metamorphosing L. appendix in the early stages of metamorphosis (1-3) were much larger in size (at least 155 mm and 5.40 g) than has been observed for other lamprey species. Serum concentrations of T4 and T3 were high by the end of the larval period and declined significantly by stage 2 of metamorphosis. Larvae greater than or equal to 130 mm in length were treated with either potassium perchlorate (KClO4; 0.01 and 0.05%) or 10 mg/L propylthiouracil (PTU; 0.0001%) for 117 days from September to January to determine if metamorphosis could be induced by these goitrogens. Both concentrations of KClO4 successfully induced metamorphosis in L. appendix, but the incidence of metamorphosis (62%) was much lower than reported in sea lampreys (98%) of comparable size. Serum concentrations of T4 and T3 declined by 64-76 and 93-96% relative to control values, respectively, in metamorphosing and nonmetamorphosing L. appendix treated with KClO4. PTU elicited declines of 55% for T4 and 80% for T3, but only one animal metamorphosed. Based on these data, we conclude that a decline in serum TH levels is necessary for metamorphosis in L. appendix, but not sufficient by itself to trigger the process.

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Pronych, Scott, and Richard Wassersug. "Lung use and development in Xenopus laevis tadpoles." Canadian Journal of Zoology 72, no. 4 (April 1, 1994): 738–43. http://dx.doi.org/10.1139/z94-099.

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Shortly after hatching, Xenopus laevis tadpoles fill their lungs with air. We examined the role played by early lung use in these organisms, since they are able to respire with both their lungs and their gills. We investigated the effect on X. laevis development when the larvae were prevented from inflating their lungs, and whether early lung use influenced the size of the lungs or the tadpole's ability to metamorphose. Tadpoles that were denied access to air had lungs one-half the size of those of controls. This difference in lung size was too large to be explained merely by a stretching of the lung due to inflation. The longer tadpoles were denied access to air, the longer they took to metamorphose, and their probability of completing metamorphosis diminished. One tadpole raised throughout its larval life without access to air successfully metamorphosed but had abnormal, solidified lungs and an enlarged heart. Collectively, these experiments demonstrate that early lung use in tadpoles is important in determining both ultimate lung size and the probability of successfully metamorphosing. Lung use during early larval development in X. laevis is not absolutely necessary for survival through metamorphosis, but its absence severely handicaps growth.

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Byrne, Isabel, Robyn Thomson, Rory Thomson, Duncan Murray-Uren, and J. Roger Downie. "Observations on metamorphosing tadpoles of Hyalinobatrachium orientale (Anura: Centrolenidae)." Phyllomedusa: Journal of Herpetology 19, no. 2 (December 12, 2020): 217–23. http://dx.doi.org/10.11606/issn.2316-9079.v19i2p217-223.

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Observations on metamorphosing tadpoles of Hyalinobatrachium orientale (Anura: Centrolenidae). Metamorphosis, when anuran amphibians resorb their tails and remodel their mouthparts and internal organs, is a vulnerable stage in the frog’s life history. As larvae metamorphose from tadpoles to adult frogs, they are neither suited to aquatic life nor ready for active terrestrial life. Previous studies have examined the duration of metamorphosis in a range of species, with respect to tadpole size, habitat, and other factors; however, the duration of metamorphosis relative to where it takes place has not been reported in centrolenids. In Hyalinobatrachium orientale, metamorphosis takes place on the upper surfaces of the leaves of low understory plants and lasts 3.5–4.0 days, a little longer than expected for the tadpole of this body size. Metamorphs seem to shift their perches from leaf to leaf randomly. There are no significant differences in the temperature or relative humidity of the upper and lower surfaces of leaves in the forest understory; thus, the presence of the metamorphs on the upper surfaces of leaves may provide moisture from the upper story vegetation after rain and protect them from terrestrial predators.

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Cavalcanti, Giselle S., Amanda T. Alker, Nathalie Delherbe, Kyle E. Malter, and Nicholas J. Shikuma. "The Influence of Bacteria on Animal Metamorphosis." Annual Review of Microbiology 74, no. 1 (September 8, 2020): 137–58. http://dx.doi.org/10.1146/annurev-micro-011320-012753.

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The swimming larvae of many marine animals identify a location on the seafloor to settle and undergo metamorphosis based on the presence of specific surface-bound bacteria. While bacteria-stimulated metamorphosis underpins processes such as the fouling of ship hulls, animal development in aquaculture, and the recruitment of new animals to coral reef ecosystems, little is known about the mechanisms governing this microbe-animal interaction. Here we review what is known and what we hope to learn about how bacteria and the factors they produce stimulate animal metamorphosis. With a few emerging model systems, including the tubeworm Hydroides elegans, corals, and the hydrozoan Hydractinia, we have begun to identify bacterial cues that stimulate animal metamorphosis and test hypotheses addressing their mechanisms of action. By understanding the mechanisms by which bacteria promote animal metamorphosis, we begin to illustrate how, and explore why, the developmental decision of metamorphosis relies on cues from environmental bacteria.

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Shikuma, Nicholas J., Igor Antoshechkin, João M. Medeiros, Martin Pilhofer, and Dianne K. Newman. "Stepwise metamorphosis of the tubewormHydroides elegansis mediated by a bacterial inducer and MAPK signaling." Proceedings of the National Academy of Sciences 113, no. 36 (August 22, 2016): 10097–102. http://dx.doi.org/10.1073/pnas.1603142113.

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Diverse animal taxa metamorphose between larval and juvenile phases in response to bacteria. Although bacteria-induced metamorphosis is widespread among metazoans, little is known about the molecular changes that occur in the animal upon stimulation by bacteria. Larvae of the tubewormHydroides elegansmetamorphose in response to surface-boundPseudoalteromonas luteoviolaceabacteria, producing ordered arrays of phage tail-like metamorphosis-associated contractile structures (MACs). Sequencing theHydroidesgenome and transcripts during five developmental stages revealed that MACs induce the regulation of groups of genes important for tissue remodeling, innate immunity, and mitogen-activated protein kinase (MAPK) signaling. Using two MAC mutations that blockP. luteoviolaceafrom inducing settlement or metamorphosis and three MAPK inhibitors, we established a sequence of bacteria-induced metamorphic events: MACs induce larval settlement; then, particular properties of MACs encoded by a specific locus inP. luteoviolaceainitiate cilia loss and activate metamorphosis-associated transcription; finally, signaling through p38 and c-Jun N-terminal kinase (JNK) MAPK pathways alters gene expression and leads to morphological changes upon initiation of metamorphosis. Our results reveal that the intricate interaction betweenHydroidesandP. luteoviolaceacan be dissected using genomic, genetic, and pharmacological tools.Hydroides' dependency on bacteria for metamorphosis highlights the importance of external stimuli to orchestrate animal development. The conservation ofHydroidesgenome content with distantly related deuterostomes (urchins, sea squirts, and humans) suggests that mechanisms of bacteria-induced metamorphosis inHydroidesmay have conserved features in diverse animals. As a major biofouling agent, insight into the triggers ofHydroidesmetamorphosis might lead to practical strategies for fouling control.

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Chelgren, Nathan D., Daniel K. Rosenberg, Selina S. Heppell, and Alix I. Gitelman. "Individual variation affects departure rate from the natal pond in an ephemeral pond-breeding anuran." Canadian Journal of Zoology 86, no. 4 (April 2008): 260–67. http://dx.doi.org/10.1139/z08-003.

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Frogs exhibit extreme plasticity and individual variation in growth and behavior during metamorphosis, driven by interactions of intrinsic state factors and extrinsic environmental factors. In northern red-legged frogs ( Rana aurora Baird and Girard, 1852), we studied the timing of departure from the natal pond as it relates to date and size of individuals at metamorphosis in the context of environmental uncertainty. To affect body size at metamorphosis, we manipulated food availability during the larval stage for a sample (317) of 1045 uniquely marked individuals and released them at their natal ponds as newly metamorphosed frogs. We recaptured 34% of marked frogs in pitfall traps as they departed and related the timing of their initial terrestrial movements to individual properties using a time-to-event model. Median age at first capture was 4 and 9 days postmetamorphosis at two sites. The rate of departure was positively related to body size and to date of metamorphosis. Departure rate was strongly negatively related to time elapsed since rainfall, and this effect was diminished for smaller and later metamorphosing frogs. Individual variation in metamorphic traits thus affects individuals’ responses to environmental variability, supporting a behavioral link with variation in survival associated with these same metamorphic traits.

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Watkins, T. B. "The effect of metamorphosis on the repeatability of maximal locomotor performance in the Pacific tree frog Hyla regilla." Journal of Experimental Biology 200, no. 20 (October 1, 1997): 2663–68. http://dx.doi.org/10.1242/jeb.200.20.2663.

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Measuring the repeatability of inter-individual differences in locomotor performance is an important first step in elucidating both the functional causes and the ecological consequences of performance variation. Thus, repeatability of whole-animal performance traits provides a crucial link between functional and evolutionary biology. In the present study, repeatability of maximal burst locomotor performance was estimated for a single population of the Pacific tree frog Hyla regilla. Animals were reared individually from eggs through metamorphosis in the laboratory. Maximum burst swimming speed of tadpoles was measured before metamorphosis (Gosner stage 37) and again at the onset of the metamorphic climax (stage 42). Maximum jump distance was measured on the same individuals as juvenile frogs. Locomotor performance was repeatable over a 24h period for both premetamorphic tadpoles and juvenile frogs. Performance was not repeatable across metamorphosis or between any two of the three developmental stages investigated. A high-performance individual at one developmental stage does not necessarily retain that performance advantage at another stage. This lack of repeatability contrasts sharply with several previous studies on non-metamorphosing vertebrates, but concurs with a single previous study on a metamorphosing salamander. Metamorphosis appears to place strict temporal constraints on individual consistency in locomotor ability.

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Kuzmin, Sergius L. "Feeding of amphibians during metamorphosis." Amphibia-Reptilia 18, no. 2 (1997): 121–31. http://dx.doi.org/10.1163/156853897x00017.

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AbstractThe feeding ecology of 28 amphibian species with complete life cycles has been studied from the last pre-metamorphic stages to metamorphosed juveniles. The widespread view that feeding ceases completely during metamorphosis is not confirmed. Generally, however, amphibian feeding rate decreases at metamorphosis. Foraging in Caudata either does not cease (Hynobiidae, rheophilous Salamandridae) or ceases only before the end of transformation, which takes less than one metamorphic stage. The cessation of foraging in Anura coincides with the transformation of the mouth and digestive tract at the beginning of the metamorphic climax. Foraging on small animals starts just after the change from a larval to a post-metamorphic mouth, i.e., before the end of metamorphosis.

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DARE, O. K., and M. R. FORBES. "Rates of development in male and female Wood Frogs and patterns of parasitism by lung nematodes." Parasitology 135, no. 3 (November 9, 2007): 385–93. http://dx.doi.org/10.1017/s0031182007003836.

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SUMMARYResearchers are becoming interested in testing whether investment in growth and/or development trades off against investment in parasite defence. We tested this idea by examining relations between development of Wood Frogs (Rana sylvatica) and susceptibility to lung nematodes (Rhabdias ranae). Male and female frogs reared in outdoor mesocosms were the same length and mass at metamorphosis. However, males metamorphosed sooner than females. Lung nematodes were no more likely to penetrate male versus female metamorphs following controlled exposures, but males had higher intensities of adult female worms and the largest worms per host were, on average, of larger size in male metamorphs. Males that took longer to metamorphose carried higher numbers of worms in their lungs than males that metamorphosed early. In comparison, females that developed faster harboured more worms in their lungs than females that took longer to reach metamorphosis. Our results suggest that variation in susceptibility to lung nematodes is influenced by host sex and possibly also by sex-specific relations with developmental rate. Further, male hosts might prove to be a more important source of infective stages of worms than female hosts.

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Youson, J. H., J. A. Holmes, J. A. Guchardi, J. G. Seelye, R. E. Beaver, J. E. Gersmehl, S. A. Sower, and F. W. H. Beamish. "Importance of Condition Factor and the Influence of Water Temperature and Photoperiod on Metamorphosis of Sea Lamprey Petromyzon marinus." Canadian Journal of Fisheries and Aquatic Sciences 50, no. 11 (November 1, 1993): 2448–56. http://dx.doi.org/10.1139/f93-269.

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The incidence of metamorphosis of larval sea lamprey, Petromyzon marinus, was strongly affected by water temperature but not photoperiod. In a 1991 experiment, the development of metamorphosing animals in 13 °C water was retarded about 1 mo relative to animals metamorphosing at 21 °C and to a population from the Chippewa River, Michigan; the minimum length, weight, and condition factor (CF) of metamorphosing experimental animals were 117 mm, 2.8 g, and 1.50, respectively, and only 4% metamorphosed at 13 °C and 18.9% at 21 °C. In 1992, with a population from the Great Chazy River, New York, 66% of the animals at 13 °C and 84% at 21 °C metamorphosed. The higher incidence of metamorphosis in 1992 is partly related to the use of larvae that were larger than the minima established in 1991. We predicted, using criteria defined below, that 74 and 72% of the animals at 13 and 21 °C, respectively, would metamorphose. Our predictions were consistent with observations at 13 °C and for five of seven replicate tanks at 21 °C. We suggest that a presumptive metamorphosing sea lamprey in landlocked populations should be at least 120 mm long, weigh 3.0 g, and have a CF ≥ 1.50 and that these criteria must be used in conjunction.

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Dissertations / Theses on the topic "Animal metamorphosis"

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Forbes, Irving P. M. C. "Metamorphosis in Greek myths." Thesis, University of Oxford, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.381816.

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Norris, Stephanie Latitia. "Flesh in flux: narrating metamorphosis in late medieval England." Diss., University of Iowa, 2012. https://ir.uiowa.edu/etd/1372.

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My dissertation reevaluates medieval concepts of body and identity by analyzing literary depictions of metamorphosis in romance. Focusing on examples such as the hag-turned-damsel in the Wife of Bath's Tale, the lump-turned-boy in The King of Tars and the demon-saint of Sir Gowther, I take as my starting point the fact that while those texts pivot on instances of physical transformation, they refrain from representing such change. This pattern of undescribed physical metamorphosis has broad implications for recent work on evolving notions of change and identity beginning in the high Middle Ages. While Caroline Walker Bynum has read the medieval outpouring of tales about werewolves and hybrids as imaginative responses to social upheavals, I consider why such medieval writings ironically focused on shape-shifters but avoided metamorphosis itself. I argue that we can understand why Chaucer and other writers resisted imagining bodies in the process of transforming by examining the history of ideas regarding metamorphosis in the medieval west. While the foremost classical writer on transformation, Ovid, reveled in depictions of metamorphosis, by the late Middle Ages a new religious discourse on change enjoyed prominence, the doctrine of transubstantiation. In its effort to separate substance and accidents, Eucharistic theory strove to detach identity from physical change and exhibited a certain level of repugnance over images of physical transformation. I argue that medieval secular writings address that anxiety over bread-turned-God in moments such as the close of the Wife of Bath's Tale. In a scene that recalls the place of veiling in Eucharistic ritual, the hag uses the bed curtain first to cloak then reveal her newly young and beautiful physique. Ultimately, the corpus of medieval literature on change--a body of work that engages both Ovidian and Eucharistic writings--suggests that identity intertwines with physical metamorphosis in a productive, if problematically unstable, manner.

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Sirsat, Sarah Goy. "Maturation of Endothermic Capacity within the Avian Developmental Spectrum: A Characterization of Thermoregulatory Metamorphosis." Thesis, University of North Texas, 2016. https://digital.library.unt.edu/ark:/67531/metadc862809/.

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An avian embryo is ectothermic, with body temperature determined by environmental temperature. Upon hatching, the neonate begins a conversion so that endothermic capacity becomes feasible and body temperature becomes independent of environment. Whole animal metabolic rate and ventilation response, cardiovascular development, and maturation of muscle mitochondrial flux were the focus of this dissertation because of the direct role in shivering thermogenesis. Precocial ducks and altricial Double-crested Cormorants exhibit increasing hematocrit and disproportionate increases in fractional heart mass resulting in greater oxygen delivery capacity and increased capacity of muscles to utilize oxygen compared with ectothermic American Alligator and Common Snapping turtles. By selecting for faster growth and higher meat yield in the domestic chicken, differences in whole-animal, tissue, cellular, and regulatory responses are evident between broiler and layer type birds. In the altricial red-winged blackbird, despite appearance of a whole animal endothermic response sometime after 7 dph, capacity of skeletal muscles involved in shivering thermogenesis peaks prior to that time. Thus, full development of endothermy is delayed in this species, allowing the altricial nestling to allocate energy towards growth rather than metabolic maintenance. Hypothyroidism in neonate red-winged blackbirds results in delayed maturation of the cardiovascular system and mitochondrial oxidative capacity of skeletal muscle. Such deficiencies were quickly recovered once the animals returned to a normothyroid state, apparently at the cost of increasing body mass. Insights into onset of thermoregulation provide a more thorough understanding of metabolic and physical transitions a hatchling bird must undergo to reach the adult endothermic phenotype. Endothermic capacity will continue to be at the forefront of physiological research because of the significance of changes between the energetic relations of an animal that must occur with its environment.

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Joyeux, Laure. "Les animalités de l’art : modalités et enjeux de la figure animale contemporaine et actuelle." Thesis, Bordeaux 3, 2013. http://www.theses.fr/2013BOR30012/document.

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Ma démarche de recherche comme de création s’articule autour de l’animalité dans ses relations avec l’art d’une part et autour des notions-clés que sont l’anthropomorphisme animal, le zoomorphisme, la métamorphose, la figure animale et l’hybridation, constantes thématiques, iconiques et plastiques de mes travaux d’autre part. Comment et pourquoi l’artiste convoque-t-il l’animal de manière récurrente et diversifiée ? Comment ont pu se jouer entre l’homme et l’animal, mais aussi aujourd’hui de manière frappante, des complémentarités physiques et matérielles, des affinités mentales, des tensions exacerbées ? Si l’animal est le témoin excentré du fonctionnement de nos sociétés, tel un miroir déformant et critique, que révèle sa figure aux prises avec l’art de nos comportements de bête sociale et de la relation que nous entretenons avec lui ? Le recours à des concepts émanant de différentes disciplines, en particulier des sciences humaines, a irrigué et éclairé les analyses d’œuvres : les nôtres, celles de l’art d’hier et d’aujourd’hui. Il s’en est dégagé leur densité sémantique quant à la teneur du lien qui nourrit le binôme homme-animal, que les situations mises en scène soient fictives ou réelles. Le parallèle entre pratiques d’expression plastique (imitation, caricature, assemblage, mise en scène) et figures de style (métonymie, métaphore, comparaison, allégorie) au sein des processus cités plus haut vise à mettre en valeur le caractère discursif des œuvres choisies. La convocation de l’animal bénéficie ainsi, au sein de notre thèse, d’une triple définition. L’image de l’animal, reflet et mémoire de notre humanité, accompagne l’homme, tel le paradigme – modèle vivant ou image modèle –, d’une certaine identité de l’homme – ses fragilités, ses révoltes, ses excès, ses obsessions, etc. La figure de l’animal est aussi à entendre comme une médiation, réussissant là où l’attaque et le dialogue directs ne sont plus possibles, parvenant à concilier les contraires. Ainsi investie, l’image ambigüe ou ambivalente de l’animal donne lieu à la multiplicité, à une extraordinaire fertilité iconographique et artistique. Ses figures, au défi de la forme monolithique, sont rarement isolées ; elles se croisent, se mélangent et s’interpénètrent
My research as well as my creative process on the one hand, revolves around the animal figure in its relationship to art, and on the other hand, around the key-notions of animal anthropomorphism, zoomorphism, metamorphosis, the animal figure and hybridization; constant, iconic and plastic themes of my work. How and why does the artist call forth animals in such a recurrent and diversified manner? How have physical and materiel complementarities, mental analogies as well as exacerbated tensions come into play today, in such a striking fashion between mankind and the animal world? If animals are the off-centered witness of how our societies function, as a distorting and critical mirror, what does its figure reveal when grappling with the art of our beast-like behaviors and of the relationship that we maintain with it? Resorting to concepts emanating from different academic disciplines, in particular, the human sciences, has provided and shed light to the analyses of the works: our own, those of the past and of today. The result being, an utterance density as regards the content of the link which feeds the man-animal pair, whether the situations staged are fictitious or real. The parallel drawn between the methods of plastic expression (imitation, caricature, assemblage, staging) and stylistic devices (metonymy, metaphor, comparison, allegory) within the process listed above is aimed at highlighting the discursive nature of the selected works. Eliciting the animal world within our thesis, thus benefits from a three-fold definition. The animal’s image, which is the reflection and recollection of our humanity, accompanies mankind, as the paradigm – living model or ideal image –, of a certain identity of mankind – its weaknesses, its rebellions, its excesses, its obsessions, etc. In addition, the animal’s figure is also to be understood as a mediator, prevailing over direct criticism and dialogue, and managing to reconcile opposites. Thus invested, the animal’s ambiguous or ambivalent image gives rise to multiplicity, to an extraordinary, artistic and iconographic fertility. Its figures, which challenge the monolithic form, are rarely isolated; they cross over, are mingled, and permeate

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Javarez, Jeanine Geraldo. "O ANIMAL QUE ME TORNEI: METAMORFOSE E ANIMALIDADE COMO TEORIZAÇÃO DO CONCEITO DE IDENTIDADE NO ROMANCE LYGIANO." Universidade Estadual de Ponta Grossa, 2017. http://tede2.uepg.br/jspui/handle/prefix/2369.

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Este trabalho tem por objetivo propor, a partir dos romances de Lygia Fagundes Telles, uma teoria da identidade que recupere a animalidade e inclua o conceito de metamorfose. A dissertação está dividida em três capítulos. Cada capítulo apresenta, a título de introdução e convite à reflexão tanto sobre os conceitos e análises ali apresentados como em relação ao próprio processo de leitura, um conto de autoria própria. No primeiro, trazemos o conceito de identidade, metamorfose e animalidade, antecedidos, cada um, por uma ilustração literária a partir de uma citação, como uma epígrafe, de textos da autora estudada. O segundo capítulo tem por escopo trazer ao leitor um panorama da fauna encontrada no romance lygiano e a categorização dessa fauna em animais internos, animais como outros e animais simbólicos. Por fim, o terceiro capítulo trata da teoria da identidade a que nos referimos no objetivo da pesquisa. A partir da análise realizada, foi possível verificar que os romances lygianos trazem na tessitura de suas narrativas uma proposta de teoria da identidade que inclui os conceitos de metamorfose e animalidade.
This work aims to propose, from the novels of Lygia Fagundes Telles, a theory of identity that recovers animality and includes the concept of metamorphosis. The dissertation is divided into three chapters. Each chapter, presents as an introduction and as an invitation to reflect both on the concepts and analysis presented there and on the reading process itself, a self-authorship short story. In the first, we bring the concept of identity, metamorphosis and animality, each one preceded by a literary illustration based on a citation, as an epigraph, of the author’s texts studied. The second chapter aims to bring to the reader an overview of the fauna found in the author’s novels and the categorization of this fauna in internal animals, animals as others and symbolic animals. Finally, the third chapter deals with the theory of identity to which we refer in the goals of the research. From the analysis made, it was possible to verify that the Telles’ novels bring in the texture of their narratives a proposal of identity theory that includes the concepts of metamorphosis and animality.

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Lani, Soraya. "L'hybridité dans l'oeuvre de l'écrivain brésilien Moacyr Scliar (1937-2011) : judéité, imaginaire et représentations." Thesis, Bordeaux 3, 2012. http://www.theses.fr/2012BOR30053/document.

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L’œuvre de l’écrivain Moacyr Scliar témoigne de la transposition de son héritage culturel juif à sa création littéraire, créant un « entre-lieu » propice à la formation de représentations hybrides issues de sa double inscription identitaire : juive et brésilienne. Le présent travail se propose d’étudier les mécanismes de son univers hybride, comprenant autant la forme (hybridité générique) que le fond (hybridité culturelle) de dix-sept récits de fiction publiés entre 1968 et 2008. La première partie de cette étude s’attache à analyser la formation d’un espace judaïco-brésilien en mouvement constant et aussi la spécificité de ses représentations métamorphiques animales. La seconde partie, réservée au genre hybride des métafictions historiographiques, est consacrée à l’analyse des stratégies de traduction culturelle concernant le rapport entre personnages juifs et personnages historiques mythiques. Dans le troisième volet, nous proposons une réflexion sur l’évolution des pratiques intertextuelles bibliques, allant de l’ « impli-citation » à la parodie postmoderne
The work of author Moacyr Scliar is a living testimony to the transposition of his Jewish cultural legacy to his literary creation, which gave life to a “place in between” favourable to the inception of hybrid representations coming from his twofold identity, Jewish and Brazilian. The present work intends to study the mechanisms of his hybrid world including both the form – generic hybridism – and the content – cultural hybridism – of seventeen fictional narratives published between 1968 and 2008. The first part of this study will analyse the formation of a Judeo-Brazilian space which is in constant motion but also the specificity of its animal metamorphic representations. The second chapter is devoted to the hybrid type of historiographic metafictions and to the scrutiny of the strategies dealing with cultural translation in the case of mythical Jewish and historical characters and their relations. The third part proposes to reflect on the evolution of biblical intertextual practices, ranging from implicitation to postmodern parody

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Webb, Laura. ""I suppose I am the exact centre" : anthropomorphism, metamorphosis and representations of animals in the poetry of Ted Hughes." Thesis, University of Sheffield, 2014. http://etheses.whiterose.ac.uk/5307/.

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Blythe, Jonathan N. "Recruitment of the intertidal barnacle Semibalanus balanoides : metamorphosis and survival from daily to seasonable timescales." Thesis, Massachusetts Institute of Technology, 2008. http://hdl.handle.net/1721.1/45609.

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Thesis (Ph. D.)--Joint Program in Oceanography/Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Dept. of Biology; and the Woods Hole Oceanographic Institution), 2008.
This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.
Includes bibliographical references.
The benthic habitat is the terminal destination for marine animals in terms of their reproductive lifecycle. Recruitment dynamics relating to seasonal changes in the benthic habitat may be the best source of information for predicting recruit abundance and for marine resources management. The transition from the pelagic to the benthic phases is the last stage in the connectivity between benthic populations. The transition to the benthos may be a process that dominates recruitment dynamics to the exclusion of other characteristics of larvae such as their quality and their density. Recruitment of benthic marine animals is influenced by two seasonally varying factors of the benthic habitat. First, the availability of suitable habitat for recruitment can in large part determine the survival probability for settlers, a trend that is most pronounced for low or no survival when the settlement substrate is saturated by conspecifics from a recruitment cohort. Preemption is caused by the presence of current occupants from a recruit cohort, and it influences the settlement rate or the survival probability of conspecifics. Descriptive statistics (Chapter 2) and a field experiment (Chapter 4) highlight the role of preemption on barnacle recruitment. The second factor results from seasonal changes in environmental conditions that settlers experience in the benthic habitat, which could affect the physiology and survival probability of barnacle settlers. Highly unpredictable features of recruitment dynamics also play a role, such as wind that enhances wave action in the rocky intertidal that has been linked to the rate of settlement. Day to day variability in wind may cause patterns of settlement to be highly unpredictable. Predator induced mortality is spatially aggregated, and the random pattern of mortality in space is highly unpredictable. In contrast to these high frequency sources of recruitment variability, seasonal factors that vary at lower frequencies and that often change monotonically lend great predictive ability for recruitment dynamics. It appears that barnacles have evolved to compete for suitable habitat and have mechanisms to cope with seasonally varying environmental conditions in the benthic habitat, which may be the basis for why these features dominate the barnacle recruitment dynamic.
by Jonathan N. Blythe.
Ph.D.

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Veinstein, Léa. "Penser la métamorphose : quatre lectures de Kafka dans la philosophie allemande : (Walter Benjamin, Theodor W. Adorno, Hannah Arendt, Günther Anders)." Thesis, Strasbourg, 2014. http://www.theses.fr/2014STRAC035.

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Ce travail vise à scruter quatre lectures de Kafka dans la philosophie allemande. Pourquoi ces philosophes ont-ils rencontré et interprété Kafka ? La première hypothèse est d’ordre biographique : leurs découvertes de Kafka sont marquées par le sentiment d’une proximité personnelle à l’égard ce qu’il donne à lire. Kafka est l’écrivain d’un certain moment, où le rapport à la langue ne va pas de soi, où l’expérience de l’exil prédomine, et où les mutations historiques rendent les contours de la subjectivité flous. La seconde hypothèse est philosophique : leurs lectures se fondent sur la nécessité de philosopher autrement, afin d’intégrer ces mutations. On ne peut plus penser selon les catégories du sens, de l’identité, de la conscience - mais il faut accepter que le sujet découvre en lui un étranger. Le défi que Kafka dresse devant ces philosophes serait donc de pouvoir « penser la métamorphose ». Celle du sujet, mais aussi celle que subit la philosophie au contact de la littérature. Et enfin, celle que Kafka invente dans l’ensemble de son œuvre, dont nous montrons qu’elle est irriguée par le « devenir-animal »
We are focusing on studying four readings of Kafka in german philosophy. Why have these philosophers met and interpreted Kafka ? Our first hypothesis is a biographical one : their reading of Kafka’s books are influenced by the feeling of a proximity between his life and their experiences. Kafka represents a crisis : in his work, the language is not innate anymore, experiencing exile is prevailing, the historical mutations affect the concept of subjectivity. The second hypothesis concerns the philosophy itself : because of these mutations, the traditional metaphysical categories of sense or consiousness are obsolete ideas. The subject is becoming a stranger. Kafka is challenging philosophers to « think out the metamorphosis », the subject’s metamorphosis, the philosophy’s metamorphosis, and finally, the one Kafka invented, which is everpresent in his works, the notion of a « becoming-animal »

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Purrenhage, Jennifer Lyn. "Importance of Habitat Structure for Pond-Breeding Amphibians in Multiple Life Stages." Miami University / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=miami1240957514.

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Books on the topic "Animal metamorphosis"

1

Gray, Leon. Amazing animal shape-shifters. North Mankato, Minnesota: Capstone Press, a Capstone imprint, 2016.

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Matsuda, Ryuichi. Animal evolution in changing environments: With special reference to abnormal metamorphosis. New York: Wiley, 1987.

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El animal sobre la piedra. Oaxaca de Juárez, México: Editorial Almadía, 2008.

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Díaz, Nancy Gray. The radical self: Metamorphosis to animal form in modern Latin American narrative. Columbia: University of Missouri Press, 1988.

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John, Daniel. The ballad of Toby and Lark: A cat fantasy. McKinleyville, Calif: Fithian Press, 2009.

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In search of Goliathus hercules. Chicago: Albert Whitman, 2012.

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Totem magic: Dance of the shape-shifter. Berkeley: Crossing Press, 2004.

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Brunke, Dawn Baumann. Shapeshifting with our animal companions: Reconnecting with the spiritual awareness of animals. Rochester, Vt: Bear & Co., 2008.

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Wilkenfeld, Joshua S. Survival, metamorphosis and growth of penaeid shrimp larvae reared on a variety of algal and animal foods. College Station, Tex: Sea Grant College Program, Texas A & M University, 1985.

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Judith, Berman. Bear Daughter. New York: Penguin Group USA, Inc., 2008.

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Book chapters on the topic "Animal metamorphosis"

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Mueller, Werner A., Monika Hassel, and Maura Grealy. "Metamorphosis and Its Hormonal Control." In Development and Reproduction in Humans and Animal Model Species, 571–84. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-662-43784-1_20.

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Guenther, Mathias. "Animals in San Dance and Play: Between Mimesis and Metamorphosis." In Human-Animal Relationships in San and Hunter-Gatherer Cosmology, Volume I, 203–22. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-21182-0_6.

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Baker, Timothy C. "Metamorphosis: Humans and Animals." In Contemporary Scottish Gothic, 116–47. London: Palgrave Macmillan UK, 2014. http://dx.doi.org/10.1057/9781137457202_5.

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Pandian, T. J. "Metamorphosis and Recruitment." In Evolution and Speciation in Animals, 248–56. Boca Raton: CRC Press, 2021. http://dx.doi.org/10.1201/9781003176381-29.

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Frangoulidis, Stavros. "Man and Animal." In Roles and Performances in Apuleius’ Metamorphoses, 129–62. Stuttgart: J.B. Metzler, 2001. http://dx.doi.org/10.1007/978-3-476-02841-9_5.

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Dufourcq, Annabelle. "Metamorphoses and corporeal imagination." In The Imaginary of Animals, 179–221. London: Routledge, 2021. http://dx.doi.org/10.4324/9781003170709-5.

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Katsouraki, Eve. "Plastic animals in praxes of metamorphosis." In The Routledge Companion to Theatre and Politics, 288–91. Abingdon, Oxon ; New York, NY : Routledge, 2019. | Series: Routledge theatre and performance companions: Routledge, 2019. http://dx.doi.org/10.4324/9780203731055-74.

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Cummins, Scott F., and Tomer Ventura. "Neurohormonal Regulation of Metamorphosis in Decapod Crustaceans." In Model Animals in Neuroendocrinology, 59–80. Chichester, UK: John Wiley & Sons Ltd, 2018. http://dx.doi.org/10.1002/9781119391128.ch3.

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Pollentier, Caroline. "Untimely Metamorphoses: Darwin, Baudelaire, Woolf, and Animal Flânerie." In Representing the Modern Animal in Culture, 155–73. New York: Palgrave Macmillan US, 2014. http://dx.doi.org/10.1057/9781137428653_9.

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Borski, Russell J., John Adam Luckenbach, and John Godwin. "Flatfish as Model Research Animals: Metamorphosis and Sex Determination." In Practical Flatfish Culture and Stock Enhancement, 286–302. Oxford, UK: Wiley-Blackwell, 2010. http://dx.doi.org/10.1002/9780813810997.ch16.

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Conference papers on the topic "Animal metamorphosis"

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Purwanto, Agus, Mei P. Kurniawan, and Ahmad Zaid Rahman. "Animal metamorphosis learning media using android Based augmented reality technology." In 2019 4th International Conference on Information Technology, Information Systems and Electrical Engineering (ICITISEE). IEEE, 2019. http://dx.doi.org/10.1109/icitisee48480.2019.9003765.

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