Sentence examples for be under sexual selection from inspiring English sources
Thumb length is important for successful amplexus and has been shown to be under sexual selection in anuran amphibians [10], [25].
Nest-building behavior might also be under sexual selection by females because this behavior is an important component of reproduction.
Such structures have been explained as camouflage or defence, but the possibility that they might be under sexual selection has not previously been explored.
Our observation of reproductive character displacement suggests that contact calls might be under sexual selection in the genus Zosterops and could represent a prezygotic isolation barrier [ 48, 14].
Although our work pertained to a single trait (body size) modelled for a particular species of fish (Atlantic cod), our finding that fisheries-induced evolution can be affected by the variance of a trait hypothesized to be under sexual selection may have general implications.
In relation to the effects of external temperature on wing patterning, we showed that all color traits increase in size with increasing temperature with the exception of the rings of a single eyespot previously shown to be under sexual selection in males [ 25].
A more apposite comparison in the same study showed that intraspecific variation in tail length was much greater in species where tail length was under sexual selection than in species where tail length was not [33].
Moreover, nuptial pads and forearm width are under sexual selection (Lee and Correales 2002).
Furthermore, in the congeneric T. commodus, male body size determines fighting ability [ 47] and is under sexual selection [ 48].
In many species, females show reduced expression of a trait that is under sexual selection in males, and this expression is thought to be maintained through genetic associations with the male phenotype.
This result is generally encouraging for good genes models based on mate choice, because it suggests that male candidate traits that are under sexual selection also exhibited an underlying genetic architecture consisting of standing additive variance.
