adaptive radiation definition

  • noun:
    • Diversification of a species or single ancestral type into several forms which are each adaptively specialized to a specific environmental niche.
    • the variation of species into separate kinds that all conform to inhabit a particular environmental niche
    • the evolutionary generation of numerous specialized life forms from a single ancestral form, evidenced into the fossil record. The inverse of extinction.
    • the development of many different kinds from an originally homogeneous group of organisms while they fill various environmental niches

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