How do species evolve over time?

Separate groups of organisms belonging to the same species may adapt in different ways to better exploit diverse environments or resources. They also may evolve varied characteristics for attracting mates. read more

Ten Species That Are Evolving Due to the Changing Climate From tropical corals to tawny owls, some species are already being pushed to evolve—but adaptation doesn’t guarantee survival read more

Darwin’s Theory of Evolution via Natural Selection: a) Species change over time; some traits become more common, others less. This process of change is driven by natural selection. read more