下列叙述与现代生物进化理论相符的是a.施用农药可使害虫种群的抗药基因�率提高从而使害虫的抗药性增强b.生物体所�生的变异都可为进化提供原材料 Template




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tomski下列叙述与现代生物进化理论相符的是a.施用农药可使害虫种群的抗药基因�率提高从而使害虫的抗药性增强b.生物体所�生的变异都可为进化提供原材料 coloring