| 单词 | transitional fossil |
| 释义 | > as lemmastransitional fossil transitional fossil n. a fossil organism which displays characteristics of both its (presumed) ancestral and descendant groups in combination. ΚΠ 1850 Fraser's Mag. Oct. 369/1 They [sc. the transmutationists] are compelled..to seek a parentage for the one and the other in transitional fossils, which are hereafter to be found. 1984 R. J. Cuffey in A. Montagu Sci. & Creationism 271 The paleontologic record displays numerous sequences of transitional fossils,..morphologically and chronologically connecting earlier species with later species. 2013 New Scientist 16 Feb. 36/2 Archaeopteryx remains the iconic transitional fossil, a small predatory dinosaur caught in the act of evolving into a bird about 150 million years ago. < as lemmas |
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