vicariance

vicariance
[vɪˈkɛːrɪəns, vʌɪ-]
noun
  1. [mass noun](Biology)the geographical separation of a population, typically by a physical barrier such as a mountain range or river, resulting in a pair of closely related species
    (生)(因地理分隔形成的)分替,替代,离散
语源
  1. 1950s: from Latin vicarius 'substitute' + -ance
英语宝典
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