The width of a person's hips seems to be a result of complex trade-offs between the evolution of larger brains and upright ...

The Basics of Life History Theory Life history theory seeks to explain how natural ... the evolution of fitness components, so-called life history traits, and how they interact: size at birth ...

In natural populations, the mechanisms of evolution do not act in isolation. This is crucially important to conservation geneticists, who grapple with the implications of these evolutionary ...

Darwin thought that evolution took place over hundreds or ... The Grants had documented natural selection in action. While beak size is clearly related to feeding strategies, it is also related ...

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 ...