Digest: Ontogenesis and evolutionary allometry shape divergent evolution of genitalia in female cetaceans*

Wang, Jia Yu; Liao, Wen Bo

doi:10.1111/evo.13414

Cited by 4 publications

(1 citation statement)

References 10 publications

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“…Pleiotropy: The reproductive tracts of some cetaceans may demonstrate pleiotropic genetic interactions [189].…”

Section: Examples Of Evolutionary Terms and Conceptsmentioning

confidence: 99%

Cetaceans as Exemplars of Evolution and Evolutionary Ecology: A Glossary

Werth

2020

Oceans

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Extant cetaceans (whales, dolphins, and porpoises) and their extinct ancestors offer some of the strongest and best-known examples of macroevolutionary transition as well as microevolutionary adaptation. Unlike most reviews of cetacean evolution, which are intended to chronicle the timeline of cetacean ancestry, document the current knowledge of cetacean adaptations, or simply validate the brute fact of evolution, this review is instead intended to demonstrate how cetaceans fittingly illustrate hundreds of specific, detailed terms and concepts within evolutionary biology and evolutionary ecology. This review, arrayed in alphabetical glossary format, is not meant to offer an exhaustive listing of case studies or scholarly sources, but aims to show the breadth and depth of cetacean research studies supporting and investigating numerous evolutionary themes.

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“…Pleiotropy: The reproductive tracts of some cetaceans may demonstrate pleiotropic genetic interactions [189].…”

Section: Examples Of Evolutionary Terms and Conceptsmentioning

confidence: 99%

Cetaceans as Exemplars of Evolution and Evolutionary Ecology: A Glossary

Werth

2020

Oceans

View full text Add to dashboard Cite

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Altitudinal implications in organ size in the Andrew’s toad (Bufo andrewsi)

et al. 2019

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Phenotypic flexibility of morphological and physiological traits within species is a common phenomenon across animal taxa. Hesse’s rule predicts that the size of an organ should exhibit an increase with increasing altitude along environmental gradients due to changes in oxygen supply and energy demands. Here, we test the prediction of Hesse’s rule by investigating geographical variation in the relative size of organs (i.e., heart, lungs, liver, and kidneys) across ten populations of Bufo andrewsi along an environmental gradient. We found that the relative size of these four specific organs did not increase with altitude or latitude across all populations. We also did not find that the relative size of the organs increased with increasing altitude among six populations located at a similar latitude and longitude, which is inconsistent with Hesse’s rule. Our findings suggest that oxygen supply and energy demands do not necessarily affect variation in organ size among populations.

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Brain size evolution in anurans: a review

Lan

Liao

2019

Animal Biol.

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Selection pressure is an important force in shaping the evolution of vertebrate brain size among populations within species as well as between species. The evolution of brain size is tightly linked to natural and sexual selection, and life-history traits. In particular, increased environmental stress, intensity of sexual selection, and slower life history usually result in enlarged brains. However, although previous studies have addressed the causes of brain size evolution, no systematic reviews have been conducted to explain brain size in anurans. Here, we review whether brain size evolution supports the cognitive buffer hypothesis (CBH), the expensive tissue hypothesis (ETH), or the developmental cost hypothesis (DCH) by analyzing the intraspecific and/or interspecific patterns in brain size and brain regions (i.e., olfactory nerves, olfactory bulbs, telencephalon, optic tectum, and cerebellum) associated with ecological factors (habitat, diet and predator risk), sexual selection intensity, life-history traits (age at sexual maturity, mean age, longevity, clutch size and egg size, testis size and sperm length), and other energetic organs. Our findings suggest that brain size evolution in anurans supports the CBH, ETH or DCH. We also suggest future directions for studying the relationships between brain size evolution and crypsis (i.e., ordinary mucous glands in the skin), and food alteration in different developmental stages.

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Digest: Ontogenesis and evolutionary allometry shape divergent evolution of genitalia in female cetaceans*

Cited by 4 publications

References 10 publications

Cetaceans as Exemplars of Evolution and Evolutionary Ecology: A Glossary

Cetaceans as Exemplars of Evolution and Evolutionary Ecology: A Glossary

Altitudinal implications in organ size in the Andrew’s toad (Bufo andrewsi)

Brain size evolution in anurans: a review

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