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Definition of "microevolution" [microevolution]

  • Evolution resulting from a succession of relatively small genetic variations that often cause the formation of new subspecies. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "microevolution" in a sentence
  • "ID proponents did not invent the term microevolution, my friends."
  • "The so-called proofs of evolution all refer to microevolution, that is to say, variation within an existing group of plants or animals."
  • "Digressing, I am not aware of * any* ID folks who disbelieve in microevolution, such as that which produced dogs."