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A theory of biological evolution developed by Charles Darwin and others, stating that all species of organisms have developed from other species, primarily through natural selection. Also called Darwinian theory.
ˈDarwinist, ˈDarwinite n, adj
Dar•win•ism(ˈdɑr wəˌnɪz əm)
the Darwinian theory that species originate by descent with slight variation from parent forms through the natural selection of individuals best adapted for survival and reproduction.
Dar′win•ist, n., adj.
the theory of evolution by natural selection of those species best adapted to survive the struggle for existence. — Darwinian, n., ad).See also: Evolution
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|Noun||1.||Darwinism - a theory of organic evolution claiming that new species arise and are perpetuated by natural selection|
evolutionism, theory of evolution, theory of organic evolution - (biology) a scientific theory of the origin of species of plants and animals
neo-Darwinism - a modern Darwinian theory that explains new species in terms of genetic mutations