theory of organic evolution
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|Noun||1.||theory of organic evolution - (biology) a scientific theory of the origin of species of plants and animals|
scientific theory - a theory that explains scientific observations; "scientific theories must be falsifiable"
Darwinism - a theory of organic evolution claiming that new species arise and are perpetuated by natural selection
Lamarckism - a theory of organic evolution claiming that acquired characteristics are transmitted to offspring
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