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单词 speciation
释义

WordReference Random House Unabridged Dictionary of American English © 2024
spe•ci•a•tion  (spē′shē āshən, -sē ā-),USA pronunciation n. [Biol.]
  1. Biologythe formation of new species as a result of geographic, physiological, anatomical, or behavioral factors that prevent previously interbreeding populations from breeding with each other.
  • speci(es) + -ation 1895–1900

Collins Concise English Dictionary © HarperCollins Publishers::
speciation /ˌspiːʃɪˈeɪʃən/ n
  1. the evolutionary development of a biological species, as by geographical isolation of a group of individuals from the main stock
Etymology: 20th Century: from species + -ation
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