divergent evolution

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di·ver·gent ev·o·lu·tion

the process by which a species or gene product gives rise to two or more different products.

divergent evolution

EVOLUTION from a common ancestral form.

evolution

the process of development in which an organ or organism becomes more and more complex by the differentiation of its parts; a continuous and progressive change according to certain laws and by means of resident forces.

convergent evolution
the development, in animals that are only distantly related, of similar structures or functions in adaptation to similar environment.
divergent evolution
the development of different characteristics in animals that were closely related in response to being placed in different environments.