下图表示某生态系统中甲乙两种群在一段时间内数量变化情况下列有关叙述错误的是 A.两个种群间能量流动方�是甲→乙 B.m时甲种群的出生率小于 Template




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tomski下图表示某生态系统中甲乙两种群在一段时间内数量变化情况下列有关叙述错误的是 a.两个种群间能量流动方�是甲→乙 b.m时甲种群的出生率小于 coloring