... from every schlock science publication in existence, was that sexual selection that goes on even after actual sex ... ), so let's catalog a few of post-copulatory sexual selection's greatest hits: read ...
... on the mechanisms of speciation. New research finds sexual selection to greatly enlarge the scope for adaptive ... that have plagued previous theoretical studies of speciation by sexual selection. This research study examining the origin ...
... may have huge implications for the fields of reproductive biology, sexual selection and speciation. According to Pitnick, many advances in reproductive ... between rival ejaculates to fertilize eggs. Such postcopulatory sexual selection is a powerful force for evolutionary change ...
... sex differences evolved based on sexual selection. Sexual selection is Darwin's theory that certain physical, mental or psychological traits evolved because they aid ...
... organs, challenging the paradigm of post-mating sexual selection being driven mostly by competition among sperm. In the process, the researchers discovered an unexpected and stunning variety ...
... the effects of male pregnancy on sex roles and sexual selection of mates and are trying to understand how the novel ... ,” Jones said. “It provides a unique opportunity to study sexual selection in this reversed context.” To study the mating ...
... is not an adequate instrument. “The results mean that many studies on sexual selection may need to be re-evaluated,” says Anders ... of other animals. The results are not only significant for basic research on sexual selection. They also illustrate the risks of making certain ...
... 's less genetically fit," Drea said. "And his sexual or social partners can know that." Female ringtailed ... and sheds more light on Charles Darwin's theories about sexual selection being one of the drivers of evolution, Drea said. In both ...
... or evolutionarily arbitrary. However, personality-mediated sexual selection is not just the privilege of mankind. In a study ... song has a prominent and well-established role in sexual selection, and it displays considerable variation among ...
... areas for research for scientists studying sexual selection and sexual conflict. Seminal fluid is the battleground between male and female – with the male under a selection pressure to produce proteins that can manipulate the female ...
... in swordtail fish because of its beneficial role in sexual selection. Ohio University scientists Andr ... for males." But during the few months when the male is sexually mature and healthy, he also can produce a lot ...
... English naturalist struck upon the idea of sexual selection -- that showy traits such as the Peacock's ornamentation ... , but over time mutations accumulated, perhaps in response to sexual selection, that drove the evolution of male flies ...
... at the University of Zurich show for the first time that sexually selected vocalizations can signal social dominance in mammals other than primates, and reveal that the independent acoustic components ...
... or mating success). "Our findings are a rare example of sexual selection favoring a suite of traits that promote ... Kelly, adding " this is exciting because it suggests that sexual selection for smaller, more mobile males could be responsible ...
... has focused on a few extreme cases involving sexual selection and sperm competition. However, by looking ... are relative to females has such a large effect on the frequency of sexual cannibalism," states Shawn Wilder. In many cases ...