| 单词 | selection pressure |
| 释义 | > as lemmasselection pressure selection pressure n. Biology differential mortality or fertility such as tends to make a population adapt genetically. ΚΠ 1944 J. S. Huxley On Living in Revol. 79 [In the Australian area] there is less scope for variation,..so that general selection-pressure never became so intense. 1977 J. L. Harper Population Biol. Plants ii. 46 Groups of species caught in different evolutionary pathways may face the same selective forces, e.g. a selection pressure to disperse. < as lemmas |
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