下列对现代生物进化理论的理解正确的是 A环境改变使生物产生的定�变异为进化提供原材料 B自然选择使种群基因�率�生改变决定生物进化的 Template




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tomski下列对现代生物进化理论的理解正确的是 a环境改变使生物产生的定�变异为进化提供原材料 b自然选择使种群基因�率�生改变决定生物进化的 coloring