darwinism

Noun
  1. A theory of organic evolution claiming that new species arise and are perpetuated by natural selection (synset 106119698)
    is a type of: evolutionism, theory of evolution, theory of organic evolution - (biology) a scientific theory of the origin of species of plants and animals
    subtypes: neo-darwinism - a modern Darwinian theory that explains new species in terms of genetic mutations

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