下列有关生物进化的叙述正确的是a.自然选择直接作用于个体的基因型并决定了生物进化的方�b.生物进化过程的实质在于保存对环境更适应的性状c Template




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tomski下列有关生物进化的叙述正确的是a.自然选择直接作用于个体的基因型并决定了生物进化的方�b.生物进化过程的实质在于保存对环境更适应的性状c coloring