知识贝壳
知识贝壳
所属栏目：英汉古生物学专业术语
Definition: A group of organisms believed to have evolved from a common ancestor,according to the principles of cladistics.分支fēn zhī源于单一共同祖先的一群物种,由一个祖先种与所有它的后裔种组成,与“单系群”同义。Origin:“group of organisms evolved from a com ......（本文共 516 字 ） [阅读本文] >>