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Definition of "macroevolution" [macroevolution]

  • Large-scale evolution occurring over geologic time that results in the formation of new taxonomic groups. (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 "macroevolution" in a sentence
  • "One of the questions that came up was about the claim that the term macroevolution is not a legitimate scientific term."
  • "The opposite position to Gould's is the one taken by Simon Conway Morris, who has argued that there is so little "accidental-ness" and historical contingency in macroevolution that we would still appear near the end of each run, regardless of what environmental changes occurred in each run."
  • "More response for Mung on that quote – the evidence for common descent and macroevolution is vast, across an enormous amount of data."