知识贝壳
知识贝壳
所属栏目：英汉古生物学专业术语
Definition: Cope’s rule states that population lineages tend to increase in body size overevolutionary time. While the rule has been demonstrated in many instances,it does not hold trueat all taxonomic levels,or in all clades. Larger body size is associat ......（本文共 470 字 ） [阅读本文] >>