theory of organic evolution

Definitions of theory of organic evolution
1

n (biology) a scientific theory of the origin of species of plants and animals

Synonyms:
evolutionism, theory of evolution
Types:
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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
neo-Darwinism
a modern Darwinian theory that explains new species in terms of genetic mutations
Neo-Lamarckism
a modern Lamarckian theory emphasizing the importance of environmental factors in genetic changes and retaining the notion of the inheritance of acquired characters
Type of:
scientific theory
a theory that explains scientific observations

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