| 单词 | r selection |
| 释义 | > as lemmasr selection r selection n. Biology natural selection under conditions that favour the reproductive strategy of producing numerous offspring of which only a small number survive to reproductive age.The conditions favouring this are an abundance of resources and little competition. ΘΚΠ the world > life > biology > biological processes > evolution > [noun] > selection natural selection1842 selection1857 survival of the fittest1864 selection value1892 organic selection1896 post-selection1896 orthoselection1907 survival value1912 kin selection1964 r selection1967 1967 R. H. MacArthur & E. O. Wilson Theory of Island Biogeogr. vii. 149 In an environment with no crowding (r selection), genotypes which harvest the most food (even if wastefully) will rear the largest families and be most fit. 1998 Jrnl. Ecol. 86 849/1 High disturbance rates lead to selection of fast-growing organisms (r-selection). < as lemmas |
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