Definition of macroevolution in English:


Syllabification: mac·ro·ev·o·lu·tion
Pronunciation: /ˌmakrō-evəˈlo͞oSHən, -ˌēvə-


Major evolutionary change. The term applies mainly to the evolution of whole taxonomic groups over long periods of time.
More example sentences
  • The next generation of advances in macroevolution and evolutionary paleoecology will not occur until a well-tested phylogenetic classification is established.
  • Creationists are usually more careful about distinguishing between microevolution and macroevolution at this point.
  • The creation science folks accept microevolution but not macroevolution.



Pronunciation: /-SHəˌnerē, -ˌēvə-/
More example sentences
  • Thus, adaptation-oriented studies of characters have expanded from microevolutionary studies of function and fitness to include macroevolutionary studies of phylogenetic patterns.
  • The association between environmental changes and biogeographic and macroevolutionary changes is potentially an important area of paleontological research.
  • Despite these findings, one would think that natural selection could produce macroevolutionary changes in bristle number without the inevitable derangement of either ribosome production or the PNS.

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Word of the day noisome
Pronunciation: ˈnɔɪs(ə)m
having an extremely offensive smell