darwinism (redirected from Darwinian evolution)

darwinism /dar·win·ism/ (dahr´win-izm) the theory of evolution stating that change in a species over time is partly the result of a process of natural selection, which enables the species to continually adapt to its changing environment.

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Dar·win·ism (därw-nzm)

n.

A theory of biological evolution developed by Charles Darwin and others, stating that all species of organisms arise and develop through the natural selection of small, inherited variations that increase the individual's ability to compete, survive, and reproduce.

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darwinism

the theory of evolution according to which higher organisms have been developed from lower ones through the influence of natural selection.