The relative strength of different types of directional selection has seldom been compared directly in natural populations. A recent meta-analysis of phenotypic selection studies in natural ...

This is a preview. Log in through your library . Abstract AbstractTrade-offs among traits are important for maintaining biodiversity, but the role of natural selection in their construction is not ...

In species with internal fertilization, females can favour certain males over others, not only before mating but also within the female’s reproductive tract after mating. Here, we ask whether such ...