右图表示共同生活在一起的两个种群一个种群主要以a为食另一个种群以b为食它们所吃的食物有些是共同的以c表示图b表示a经过自然选择形成 Template




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tomski右图表示共同生活在一起的两个种群一个种群主要以a为食另一个种群以b为食它们所吃的食物有些是共同的以c表示图b表示a经过自然选择形成 coloring