| 释义 |
living fossil
living fossiln. An organism, such as the coelacanth or ginkgo, that is similar in appearance to its fossilized distant ancestors and usually has no extant close relatives.living fossil n (Biology) an animal or plant, such as the coelacanth and ginkgo, belonging to a group most of whose members are extinct liv′ing fos′sil
n. an organism that is a living, virtually unchanged example of an otherwise extinct group. [1920–25] living fossil
living fossil[′liv·iŋ ′fäs·əl] (biology) A living species belonging to an ancient stock otherwise known only as fossils. living fossil
living fossiln. An organism, such as the coelacanth or ginkgo, that is similar in appearance to its fossilized distant ancestors and usually has no extant close relatives.living fossil an organism such as COELOCANTH or Ginkgo (GINKGOALES) which had previously been known only from fossil forms, and was thought to be extinct prior to its discovery. |