如图是某种昆虫受双因子影响下的种群数量变化曲线图以下说法错误的是 A.影响种群数量变化除图中所示的外源性因素外还应该有内源性因素b.据 Template




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tomski如图是某种昆虫受双因子影响下的种群数量变化曲线图以下说法错误的是 a.影响种群数量变化除图中所示的外源性因素外还应该有内源性因素b.据 coloring