下图是物种形成的一种模式物种a因为地理障碍分隔为两个种群a1和a2经过漫长的进化分别形成新物种b和c在此进程中的某一时刻a1种群的 Template




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tomski下图是物种形成的一种模式物种a因为地理障碍分隔为两个种群a1和a2经过漫长的进化分别形成新物种b和c在此进程中的某一时刻a1种群的 coloring