所屬欄目:英漢古生物學(xué)專業(yè)術(shù)語
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] >>