microevolution


mi·cro·evo·lu·tion

noun \-ˌe-və-ˈlü-shən also -ˌē-və-\

Definition of MICROEVOLUTION

:  comparatively minor evolutionary change involving the accumulation of variations in populations usually below the species level
mi·cro·evo·lu·tion·ary \-shə-ˌner-ē\ adjective

First Known Use of MICROEVOLUTION

1911

mi·cro·evo·lu·tion

noun \ˈmī-krō-ˌev-ə-ˈlü-shən also -ˌē-və-\   (Medical Dictionary)

Medical Definition of MICROEVOLUTION

: comparatively minor evolutionary change involving the accumulation of variations in populations usually below the species level
mi·cro·evo·lu·tion·ary \-shə-ˌner-ē\ adjective

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