Postcopulatory sexual selection (PCSS) arises from widespread sexual promiscuity and operates through competition of the ejaculates of different males over fertilization (sperm competition), choice of ...

Sexual selection is an evolutionary process that favours the traits of individuals who compete more successfully for mating opportunities. These traits are not necessarily those favoured by natural ...

Natural selection is a mechanism of evolution. Organisms that are more adapted to their environment are more likely to survive and pass on the genes that aided their success. This process causes ...