웹2024년 3월 31일 · Brennan simply refers to it as the vagina, since it performs all the same functions and then some.) They briefly rub genitals together in an act known as a “cloacal … 웹2013년 8월 8일 · Male genitalia typically exhibit patterns of rapid and divergent evolution (Eberhard 1985). Sexual selection acting during and after copulation is thought to play a role in genital evolution generally (Hosken and Stockley 2004 ), although empirical support for the sexual selection hypothesis comes largely from studies of insects (Simmons 2014 ).
Bat Receives Library Card After Finding its Way Into English …
웹2013년 12월 30일 · Arboreal bats have their own way of doing things. Male hammer-headed bats, which have an enlarged larynx and nasal cavity, line … 웹2014년 4월 3일 · “All the bats in this group have these spines, ... Even closely related species with similar general morphology often have strikingly different genitalia. “When I couldn’t find differing characteristics in the skeleton or skins of this bat group, I started looking at the structures of the penis,” Moras explains. molly neil
Penis spines help scientists identify bat species - Smithsonian …
웹1997년 3월 22일 · Sperm competition is a widespread phenomenon influencing the evolution of male anatomy, physiology and behaviour. Bats are an ideal group for studying sperm … 웹Sexually selected traits characteristically show positive allometry and high phenotypic variation, although genitalia seem to be typified by negative allometry due to stabilizing … 웹2015년 2월 6일 · upold S, McElligott AG, Hosken DJ (2004) Bat genitalia: allome ... We also aim to assess micro-CT as a non-invasive technique providing updated anatomical descriptions of primate ossa genitalia. molly neilson