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单词 cenogenesis
释义

cenogenesis

noun

ce·​no·​genesis
variants or coenogenesis or less commonly caenogenesis
¦sēnə,
¦senə+
: introduction during development of adaptive characters or structures that are absent from the earlier phylogeny of a strain (as addition of the placenta to the common vertebrate pattern in mammalian evolution)
opposed to palingenesis

Word History

Etymology

German zänogenesis, from zän- cen- + Latin genesis birth

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更新时间:2024/11/11 16:53:05