| 单词 | industrial melanism |
| 释义 | > as lemmasindustrial melanism industrial melanism n. Zoology (increasing) prevalence of dark-coloured varieties of a species of animal (esp. of moth) in polluted habitats, where they are better camouflaged against predators than are paler varieties. ΚΠ 1928 Proc. Royal Soc. 1927–8 B. 102 346 It should be made clear that the present work is not regarded as solving the problems of industrial melanism, although it is claimed that some light has been thrown on the matter. 1977 T. I. Storer et al. Elements Zool. (ed. 4) xiii. 221/1 Another rather quick adjustment was that of ‘industrial melanism’ (or darkening) among moths in factory districts of England, Germany and other European countries. 2002 S. J. Gould Struct. Evolutionary Theory ix. 882 The copiously, and lovingly, documented efficacy of natural selection in short-term situations of human observation—from beaks of Darwin's finches to industrial melanism in Biston betularia. < as lemmas |
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