Meaning of speciation

spe•ci•a•tion

Pronunciation: (spē"shē-ā'shun, -sē-ā'-), [key]
— n. Biol.
  1. the formation of new species as a result of geographic, physiological, anatomical, or behavioral factors that prevent previously interbreeding populations from breeding with each other.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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