Evolutionary ecology examines how evolutionary processes—variation, inheritance and selection—shape the ecological patterns of species and communities, and in turn how ecological interactions ...

Some variation is the result of differences in the surroundings, or what an individual does. This is called environmental variation. Humans, dogs and goldfish are examples of species. Different ...

This video explores the principles of evolution by natural selection. The survival and reproduction of individuals best suited to the environment leads to changes in organisms over time. This can be ...