| 单词 | r selection |
| 释义 | r selection —r-selected /ahr"si lek'tid/, adj. Ecol. selection occurring when a population is far below the carrying capacity of an unstable environment: tends to favor individuals that reproduce early, quickly, and in large numbers so as to make use of ephemeral resources and ensure that at least some offspring survive. Also, r-selection /ahr"si lek'sheuhn/. Cf. K selection. |
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