具有生存和繁殖优势的可遗传性状倾向于传递给后代并在种群中更普遍,而不利性状则被淘汰的过程；表型的差异存活与繁殖。
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具有生存和繁殖优势的可遗传性状倾向于传递给后代并在种群中更普遍,而不利性状则被淘汰的过程；表型的差异存活与繁殖。；自然选择；自然淘汰
A process by which heritable traits conferring survival and reproductive advantage to individuals, or related individuals, tend to be passed on to succeeding generations and become more frequent in a population, whereas other less favourable traits tend to become eliminated; the differential survival and reproduction of phenotypes.
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具有生存和繁殖优势的可遗传性状倾向于传递给后代并在种群中更普遍,而不利性状则被淘汰的过程；表型的差异存活与繁殖。
A process by which heritable traits conferring survival and reproductive advantage to individuals, or related individuals, tend to be passed on to succeeding generations and become more frequent in a population, whereas other less favourable traits tend to become eliminated; the differential survival and reproduction of phenotypes.
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