知識(shí)貝殼
知識(shí)貝殼
Definition: A group of organisms believed to have evolved from a common ancestor,according to the principles of cladistics.分支fēn zhī源于單一共同祖先的一群物種,由一個(gè)祖先種與所有它的后裔種組成,與“單系群”同義。Origin:“group of organisms evolved from a com ......（本文共 516 字 ） [閱讀本文] >>