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mi•cro•ev•o•lu•tion



Pronunciation: (mī"krō-ev"u-lOO'shun or, esp. Brit., -ē"vu-), [key]
n. Biol.
1. evolutionary change involving the gradual accumulation of mutations leading to new varieties within a species.
2. minor evolutionary change observed over a short period of time.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

microenvironmentmicrofarad
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