macroevolution Hear it!

macroevolution definition

macro·evo·lu·tion (-ev′ə lo̵̅o̅′s̸hən)

noun

large-scale and long-range evolution involving the appearance of new genera, families, etc. of organisms

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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