The proportion of well-adapted organisms in a population can increase over the generations by the process of evolution by natural selection.

In the end, however, selection constantly sorts through the variation that is produced by mutations to select the fit and remove the unfit, while ignoring neutral changes. A few distinct types of ...

Charles Darwin's theory of evolution by natural selection made us rethink our place in the world. The idea that humans shared a common ancestor with apes was a challenge to the foundations of ...

helsinki.fi Objectives—To investigate the associations between natural selection ... in different types of sport (endurance (n = 166), power speed (n = 235), “other” (n = 834)) and controls healthy at ...