theory of organic evolution

Noun
  1. referred to in: biological science, biology - the science that studies living organisms
    is a type of: scientific theory - a theory that explains scientific observations
    subtypes:
    • 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
    • punctuated equilibrium, theory of punctuated equilibrium - a theory of evolution holding that evolutionary change in the fossil record came in fits and starts rather than in a steady process of slow change
    same as: evolutionism, theory of evolution

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