Bibliografias temáticas / Frogs Evolution

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Literatura científica selecionada sobre o tema "Frogs Evolution"

Autor: Grafiati
Publicado: 4 de junho de 2021
Última modificação: 10 de fevereiro de 2022

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Artigos de revistas sobre o assunto "Frogs Evolution"

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McAlpine, Donald F. "Helminth communities in bullfrogs (Rana catesbeiana), green frogs (Rana clamitans), and leopard frogs (Rana pipiens) from New Brunswick, Canada." Canadian Journal of Zoology 75, no. 11 (November 1, 1997): 1883–90. http://dx.doi.org/10.1139/z97-818.

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Twenty-three helminth species were identified from bullfrogs, Rana catesbeiana, green frogs, R. clamitans, and leopard frogs, R. pipiens, in New Brunswick. Digeneans dominated adult helminth communities in the aquatic bullfrog and semi-aquatic green frog; nematodes were dominant in the more terrestrial leopard frog. In green frogs and leopard frogs, richness and abundance were greatest in adults; in bullfrogs, juveniles showed the greatest richness and abundance. An increase in vertebrates in the diet of adult bullfrogs influences helminth communities in bullfrogs. Where Glypthelmins quieta an
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Woinarski, J. C. Z., S. M. Legge, L. A. Woolley, R. Palmer, C. R. Dickman, J. Augusteyn, T. S. Doherty, et al. "Predation by introduced cats Felis catus on Australian frogs: compilation of species records and estimation of numbers killed." Wildlife Research 47, no. 8 (2020): 580. http://dx.doi.org/10.1071/wr19182.

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Abstract ContextWe recently estimated the numbers of reptiles, birds and mammals killed by cats (Felis catus) in Australia, with these assessments providing further evidence that cats have significant impacts on Australian wildlife. No previous studies have estimated the numbers of frogs killed by cats in Australia and there is limited comparable information from elsewhere in the world. AimsWe sought to (1) estimate the numbers of frogs killed by cats in Australia and (2) compile a list of Australian frog species known to be killed by cats. MethodsFor feral cats, we estimated the number of fro
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Folt, Brian, and Craig Guyer. "Habitat-dependent effects of predatory spiders on prey frogs in a Neotropical wet forest." Journal of Tropical Ecology 37, no. 5 (August 16, 2021): 214–21. http://dx.doi.org/10.1017/s0266467421000274.

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AbstractIn seasonal wet Neotropical forests, many studies have suggested that species-rich terrestrial frog assemblages are regulated bottom-up by the abundance of leaf litter. However, terrestrial frogs are prey to a diverse community of predators, and no studies have tested for top-down effects of predators on this or other anuran assemblages. Here, we used an extensive field dataset to model the relative contribution of food resources, microhabitat resources and predators towards the occupancy and detection of two frog species (Craugastor bransfordii and Oophaga pumilio) at La Selva, Costa
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Paluh, Daniel J., Edward L. Stanley, and David C. Blackburn. "Evolution of hyperossification expands skull diversity in frogs." Proceedings of the National Academy of Sciences 117, no. 15 (March 27, 2020): 8554–62. http://dx.doi.org/10.1073/pnas.2000872117.

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Frogs (Anura) are one of the most diverse vertebrate orders, comprising more than 7,000 species with a worldwide distribution and extensive ecological diversity. In contrast to other tetrapods, frogs have a highly derived body plan and simplified skull. In many lineages of anurans, increased mineralization has led to hyperossified skulls, but the function of this trait and its relationship with other aspects of head morphology are largely unexplored. Using three-dimensional morphological data from 158 species representing all frog families, we assessed wide-scale patterns of shape variation ac
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McCAY, MICHAEL G. "AERODYNAMIC STABILITY AND MANEUVERABILITY OF THE GLIDING FROG POLYPEDATES DENNYSI." Journal of Experimental Biology 204, no. 16 (August 15, 2001): 2817–26. http://dx.doi.org/10.1242/jeb.204.16.2817.

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SUMMARY Gliding has evolved independently in two families of tree frog. Tree frogs glide to descend rapidly to mating sites over temporary pools on the forest floor or to escape predators. The physical mechanisms used by frogs to glide and maneuver were investigated using a combination of observations of live frogs (Polypedates dennysi) gliding in a tilted wind-tunnel and aerodynamic forces and torques measured from physical models of tree frogs in a wind-tunnel. Tree frogs maneuvered in the tilted wind-tunnel using two different turning mechanisms: a banked turn (the frog rolls into the turn)
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Smith, Lora L., Jennifer M. Howze, Jennifer S. Staiger, Eric R. Sievers, Deborah Burr, and Kevin M. Enge. "Added Value: Gopher Tortoise Surveys Provide Estimates of Gopher Frog Abundance in Tortoise Burrows." Journal of Fish and Wildlife Management 12, no. 1 (October 27, 2020): 3–11. http://dx.doi.org/10.3996/jfwm-20-030.

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Abstract The gopher frog Lithobates capito is one of the most terrestrial frogs in the southeastern United States and often inhabits gopher tortoise burrows Gopherus polyphemus outside of the breeding season. Gopher frog populations have declined, and the species is under review for listing as threatened or endangered under the U.S. Endangered Species Act. Much of our knowledge on the status of gopher frogs is based on detections of larvae at breeding wetlands, which can be challenging because of environmental variability and provides no information on the terrestrial life stages of the specie
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Rhebergen, F., R. C. Taylor, M. J. Ryan, R. A. Page, and W. Halfwerk. "Multimodal cues improve prey localization under complex environmental conditions." Proceedings of the Royal Society B: Biological Sciences 282, no. 1814 (September 7, 2015): 20151403. http://dx.doi.org/10.1098/rspb.2015.1403.

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Predators often eavesdrop on sexual displays of their prey. These displays can provide multimodal cues that aid predators, but the benefits in attending to them should depend on the environmental sensory conditions under which they forage. We assessed whether bats hunting for frogs use multimodal cues to locate their prey and whether their use varies with ambient conditions. We used a robotic set-up mimicking the sexual display of a male túngara frog ( Physalaemus pustulosus ) to test prey assessment by fringe-lipped bats ( Trachops cirrhosus ). These predatory bats primarily use sound of the
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DeMarchi, Joseph A., Andrew Britton, Kaylee O'Donnell, and Ralph A. Saporito. "Behavioural preference for low levels of UV-B radiation in two neotropical frog species from Costa Rica." Journal of Tropical Ecology 34, no. 5 (August 6, 2018): 336–40. http://dx.doi.org/10.1017/s0266467418000287.

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Abstract:Tropical frogs experience damaging effects from exposure to UV-B radiation, and some diurnally active, conspicuous species exhibit avoidance behaviours to high levels of UV-B. To determine if similar behaviours are present in other diurnal frogs, we experimentally compared UV-B avoidance in two common species of neotropical diurnal frogs – Oophaga pumilio, an aposematic poison frog and Craugastor bransfordii, a cryptic leaf-litter frog – in response to different levels of UV-B. Wild-caught frogs were tested in experimental arenas fitted with filters that permitted two different levels
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Tokita, Masayoshi, and Noriko Iwai. "Development of the pseudothumb in frogs." Biology Letters 6, no. 4 (February 10, 2010): 517–20. http://dx.doi.org/10.1098/rsbl.2009.1038.

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Frogs have highly conserved hand and foot morphology, possessing four fingers and five toes. As an exception, two Japanese ranid frog species, the Otton frog Babina subaspera and the dagger frog Babina holsti , possess a unique thumb-like structure (the pseudothumb) in the forelimb, giving an appearance of a total of five fingers on the hand. To obtain insights into the developmental mechanisms that generate this novel character, we investigated the hand morphogenesis of the Otton frog. The unique morphological pattern of the pseudothumb was already established in juveniles. Surprisingly, the
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Feng, Yan-Jie, David C. Blackburn, Dan Liang, David M. Hillis, David B. Wake, David C. Cannatella, and Peng Zhang. "Phylogenomics reveals rapid, simultaneous diversification of three major clades of Gondwanan frogs at the Cretaceous–Paleogene boundary." Proceedings of the National Academy of Sciences 114, no. 29 (July 3, 2017): E5864—E5870. http://dx.doi.org/10.1073/pnas.1704632114.

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Frogs (Anura) are one of the most diverse groups of vertebrates and comprise nearly 90% of living amphibian species. Their worldwide distribution and diverse biology make them well-suited for assessing fundamental questions in evolution, ecology, and conservation. However, despite their scientific importance, the evolutionary history and tempo of frog diversification remain poorly understood. By using a molecular dataset of unprecedented size, including 88-kb characters from 95 nuclear genes of 156 frog species, in conjunction with 20 fossil-based calibrations, our analyses result in the most
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Mais fontes

Teses / dissertações sobre o assunto "Frogs Evolution"

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Kulkarni, Saurabh S. "Endocrine Mechanisms Underlying Phenotypic Evolution in Frogs." University of Cincinnati / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1342106009.

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Havens, Sarah Beth. "The role of skeletal development in body size evolution of two North American frogs." Diss., Rolla, Mo. : Missouri University of Science and Technology, 2010. http://scholarsmine.mst.edu/thesis/pdf/Havens_2010_09007dcc807be556.pdf.

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Thesis (M.S.)--Missouri University of Science and Technology, 2010.<br>Vita. The entire thesis text is included in file. Title from title screen of thesis/dissertation PDF file (viewed June 7, 2010) Includes bibliographical references.
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Dziminski, Martin A. "The evolution of variable offspring provisioning." University of Western Australia, 2005. http://theses.library.uwa.edu.au/adt-WU2005.0134.

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Most theoretical models predict an optimal offspring size that maximises parental fitness. Variation in the quality of the offspring environment can result in multiple offspring size optima and therefore variation of offspring provisioning can evolve. Variation in offspring provisioning is common and found across a variety of taxa. It can be defined as between populations, explained by optimality models, or between and within individuals, neither so easily explained by optimality models. My research focused on the evolution of variable offspring provisioning by testing theoretical models relat
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Boyd, Jonathan Lomax. "Evolutionary Analysis of the Glutamic Acid Decarboxylase 67 Immediate Upstream Region in African Clawed Frogs." W&M ScholarWorks, 2009. https://scholarworks.wm.edu/etd/1539626884.

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Vacher, Jean-Pierre. "Diversification in the Guiana Shields as seen through frogs." Thesis, Toulouse 3, 2017. http://www.theses.fr/2017TOU30063/document.

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Le Plateau des Guyanes a été géologiquement stable au cours de l'ère Cénozoïque, exempt de l'influence de l'orogénèse des Andes et de la mise en place du bassin de l'Amazone. Cette région est-elle biogéographiquement homogène au sein de l'Amazonie ? Quelles sont les modalités spatio-temporelles de diversification au sein de cette région ? Afin de répondre à ces questions, j'ai exploré sa biorégionalisation sur la base de la distribution des amphibiens anoures. Cette approche a permis de définir trois biorégions dans l'est du Plateau des Guyanes, et de révéler une forte sous-estimation de l'end
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Cambridge, Tucker. "Species Distribution and Conservation Genetics of the Upland and Midland Chorus Frogs (Pseudacris) in Kentucky." TopSCHOLAR®, 2018. https://digitalcommons.wku.edu/theses/3063.

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The upland (Pseudacris feriarum) and midland (P. triseriata) chorus frogs are closely related cryptic species that are best distinguished genetically. The distribution of these species within the Commonwealth of Kentucky has previously been defined by only a handful of genetic samples, making delineation of range limits for each species difficult. Accurate understanding of species distributions, and the genetic structure within them, are vitally important for conservation management of amphibian species. In this study, I have collected genetic samples from across the putative ranges of P. tris
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Jennions, Michael D. "Signalling and sexual selection in animals and plants." Thesis, University of Oxford, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.670250.

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Benavides, Edgar. "Evolution in Neotropical Herpetofauna: Species Boundaries in High Andean Frogs and Evolutionary Genetics in the Lava Lizard Genus Microlophus (Squamata: tropiduridae): A History of Colonization and Dispersal." Diss., CLICK HERE for online access, 2006. http://contentdm.lib.byu.edu/ETD/image/etd1652.pdf.

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Zeyl, Clifford. "Genome evolution in the primitive frog Leipelma hochstetteri." Thesis, McGill University, 1991. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=59969.

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The primitive New Zealand frog Leiopelma hochstetteri shows exceptional karyotypic variation. On the North Island, females carry univalent W chromosome and both sexes have 0 to 15 supernumerary chromosomes. Frogs from Great Barrier Island have a conventional 2n = 22 karyotype, with no sex chromosome differentiation in C-banded mitotic chromosomes. However, the lampbrush chromosomes of a Great Barrier Island female show evidence of heterogamety. This suggests that presumed ancestral female heterogamety has persisted on Great Barrier Island and given rise to a WZZ-female/ZZ-male sex chromosome s
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Ruiz-Linares, Andres. "Processes of molecular evolution of the rDNA multigene family in Drosophila." Thesis, University of Cambridge, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.239189.

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Mais fontes

Livros sobre o assunto "Frogs Evolution"

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Frogs, flies, and dandelions: Speciation--the evolution of new species. Oxford: Oxford University Press, 2001.

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ill, Mazellan Ron, and Burke Dianne O'Quinn ill, eds. Why is a frog not a toad? Los Angeles: Lowell House Juvenile, 1992.

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Frogs Flies and Dandelions: The Making of Species. Oxford University Press, 2002.

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The Mystery Of Darwins Frog. Boyds Mills Press, 2013.

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Brown, Rafe M. Systematic evolution in the Rana signata complex of Philippine and Bornean stream frogs: Huxley's modification of Wallace's line reconsidered at the Oriental-Australian faunal zone interface. 1997.

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Kemp, T. S. Amphibians: A Very Short Introduction. Oxford University Press, 2021. http://dx.doi.org/10.1093/actrade/9780198842989.001.0001.

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Amphibians: A Very Short Introduction discusses amphibian evolution, adaptations, and biology. From frogs, toads, newts, and salamanders, to the lesser-known caecilians, there are over 8,000 species of amphibians alive today. Characterized by their moist, naked skin and the tadpole phase of their lives, they are uniquely adapted to occupy the interphase habitat between freshwater and land. This VSI explores topics from their complex courtship behaviour to how their permeable skin enables them to thrive in their habitat and it covers the whole history of amphibians, from their origins 360 milli
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Webb, EK, ed. Windows on Meteorology. CSIRO Publishing, 1997. http://dx.doi.org/10.1071/9780643101500.

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Windows on Meteorology: Australian Perspective answers a host of questions about Australia's weather and climate, and explains the underlying causes of floods, droughts and cyclones. Vivid accounts of dust storms and the mysteries of the 'morning glory' cloud lines are revealed.The book highlights the perception in Aboriginal culture of the connection between seasons and natural cycles, through aspects of Aboriginal mythology and language, and contains a unique Aboriginal seasonal calendar. The influence of climate on Australia's wildlife is illustrated with fascinating accounts of the evoluti
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Grimm, Jacob and Wilhelm. Selected Tales. Translated by Joyce Crick. Oxford University Press, 2009. http://dx.doi.org/10.1093/owc/9780199555581.001.0001.

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‘Once upon a time in mid-winter, when the snowflakes were falling from the sky like down, a queen was sitting and sewing at a window ...’The tales gathered by the Grimm brothers are at once familiar, fantastic, homely, and frightening. They seem to belong to no time, or to some distant feudal age of fairytale imagining. Grand palaces, humble cottages, and the forest full of menace are their settings; and they are peopled by kings and princesses, witches and robbers, millers and golden birds, stepmothers and talking frogs. Regarded from their inception both as uncosy nursery stories and as raw
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Notebook, Mainesun. Composition Notebook: Evolution Cousin Frog for Dark Garments - 50 Sheets, 100 Pages - 6 X 9 Inches. Independently Published, 2020.

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Capítulos de livros sobre o assunto "Frogs Evolution"

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Jacobs, David Steve, and Anna Bastian. "Co-evolution Between Bats and Frogs?" In Predator–Prey Interactions: Co-evolution between Bats and Their Prey, 89–106. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-32492-0_6.

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Plötner, Jörg, Thomas Uzzell, Peter Beerli, Çiğdem Akın, C. Can Bilgin, Cornelia Haefeli, Torsten Ohst, et al. "Genetic Divergence and Evolution of Reproductive Isolation in Eastern Mediterranean Water Frogs." In Evolution in Action, 373–403. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-12425-9_18.

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Griffith, Robert W. "Guppies, toadfish, lungfish, coelacanths and frogs: a scenario for the evolution of urea retention in fishes." In Developments in environmental biology of fishes, 199–218. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3194-0_13.

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Roberts, J. Dale, and Danielle Edwards. "The Evolution, Physiology and Ecology of the Australian Arid-Zone Frog Fauna." In On the Ecology of Australia’s Arid Zone, 149–80. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-93943-8_7.

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Chartrel, Nicolas, Hubert Vaudry, and J. Michael Conlon. "Primary structures of frog NPY and PYY: Implication for the molecular evolution of the pancreatic polypeptide family." In Peptides 1992, 719–20. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1470-7_328.

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Bogart, James P. "The Influence of Life History on Karyotypic Evolution in Frogs." In Amphibian Cytogenetics and Evolution, 233–58. Elsevier, 1991. http://dx.doi.org/10.1016/b978-0-12-297880-7.50015-9.

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Tymowska, Janina. "Polyploidy and Cytogenetic Variation in Frogs of the Genus Xenopus." In Amphibian Cytogenetics and Evolution, 259–97. Elsevier, 1991. http://dx.doi.org/10.1016/b978-0-12-297880-7.50016-0.

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"Phylogenetic Inference and the Evolution of Communication in Tungara Frogs." In The Design of Animal Communication. The MIT Press, 2003. http://dx.doi.org/10.7551/mitpress/2359.003.0023.

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Schulkin, Jay. "Bird Brains, Social Contact, and Song." In Reflections on the Musical Mind. Princeton University Press, 2013. http://dx.doi.org/10.23943/princeton/9780691157443.003.0003.

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This chapter examines the evolution of bird brain, social contact, and birdsong. Communicative capabilities are widespread, whether in song or through other forms of intimate social contact. One mechanism for this is the regulation of information molecules in the brain such as vasopressin and oxytocin. The chapter first provides an overview of information molecules before connecting these processes to song in frogs, crickets, and birds. It then considers neurogenesis and how information molecules work in the human brain, focusing on some core biology underlying animal song and social contact. It shows that steroid hormones facilitate neuropeptide expression in many species, which underlies song tied to the regulation of the internal milieu, territorial expression, reproduction, and a much wider range of social behaviors.
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Palaoro, Alexandre V., and Martin Thiel. "“The Caring Crustacean”: An Overview of Crustacean Parental Care." In Reproductive Biology, 115–44. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780190688554.003.0005.

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Many crustacean species are known to provide parental care, with behaviors ranging from ventilating the eggs to providing food for young. This chapter provides an overview of parental care patterns across crustaceans, and then compares crustacean parental care to that of select other taxa (insects, fishes, frogs) that share important traits with crustaceans (exoskeleton, aquatic or amphibious lifestyle, respectively). The aim is to identify gaps in the understanding of the evolution of parental care in crustaceans. We show that nearly all crustaceans provide parental care for early embryos (eggs), while caring for advanced stages is rarer. The most common forms of care are simple behaviors (e.g. fanning and cleaning behaviors), while complex behaviors (e.g. feeding the young) evolved exclusively in groups that also care for longer. Caring is most frequently done by females, while biparental is rare, and exclusive paternal care is nonexistent. When compared across taxa, simple behaviors are also the most common forms of care, and reasons for the evolution of parental care have common themes. First, parental care enhances offspring survival. In crustaceans, early embryo/egg mortality is apparently high, which might have triggered the evolution of parental care in several crustacean taxa independently. Second, crustaceans that have large eggs and inhabit stable habitats tend to care for longer. Lastly, internal fertilization seems to prevent male crustaceans from caring by not allowing the males to access the eggs and to ensure paternity.
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Trabalhos de conferências sobre o assunto "Frogs Evolution"

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Davis, Jenna, Patrick Vallely, Mayorkinos Papaelias, and Zheng Huang. "Addressing Future Rail Network Performance Challenges Through Effective Structural Health Monitoring." In 2018 Joint Rail Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/jrc2018-6115.

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Operational efficiency is one of the key performance indicators for all railroad systems. Infrastructure inspection and maintenance engineers are tasked with the responsibility of ensuring the reliability, availability, maintainability and safety of the railroad network. However, as rolling stock traffic density increases throughout the network, inspection and maintenance opportunities become less readily available. Inspection and maintenance activities normally take place at night, when there is little or no train movement to avoid disruption of normal railroad network operation. In addition,
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Tang, Deyu, Jin Yang, and Xianfa Cai. "Grid Task Scheduling Strategy Based on Differential Evolution-Shuffled Frog Leaping Algorithm." In 2012 International Conference on Computer Science and Service System (CSSS). IEEE, 2012. http://dx.doi.org/10.1109/csss.2012.426.

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Li, Zhifu, Junhai Zeng, and Yun Zhong. "An improved moth-flame algorithm based on differential evolution and shuffled frog leaping algorithm." In 2019 Chinese Automation Congress (CAC). IEEE, 2019. http://dx.doi.org/10.1109/cac48633.2019.8996624.

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Gopalakrishnan, Vishnu, Trent Nester, Juma Mgumbwa, and Werner Holtzhausen. "Harvesting tailings from an active tailings storage facility: success and challenges – Frog’s Leg mine, Evolution Mining." In 21st International Seminar on Paste and Thickened Tailings. Australian Centre for Geomechanics, Perth, 2018. http://dx.doi.org/10.36487/acg_rep/1805_26_gopalakrishnan.

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