convergent evolution

the tendency of unrelated organisms in a particular environment to evolve superficially similar body structures that enable them to adapt effectively to their habitat. Thus, many aquatic animals acquire a streamlined form and smooth surfaces for rapid movement through water. See also homoplasy. Compare divergent evolution.

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Psychology term of the day

November 18th 2024

meningoencephalitis

n. inflammation of the brain and the meninges covering it.