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单词
r-type selection and K-type selection
释义
r-type selection and K-type selection
Encyclopedia
农学
r型选择和K型选择
释
r-type selection and K-type selection
r
型选择和
K
型选择
在进化过程中,动物面临着两种相反的、可供选择的进化对策。一种是低生育力的,亲体有良好育幼行为的对策,称为r型对策;另一种是高生育力的,无亲体关怀行为的对策,称为K型对策。成体大小相似的物种,如果产小型卵,其生育力就高,但由此导致的高能量消耗必然会降低其对幼体保护和关怀的投资。
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