图一种群在理想环境中�“j 型曲线增长在有环境阻力条件下�“s 型曲线增长图二为某生态系统中的三个种群数量的变化如图所示已知种群c为自养 Template




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tomski图一种群在理想环境中�“j 型曲线增长在有环境阻力条件下�“s 型曲线增长图二为某生态系统中的三个种群数量的变化如图所示已知种群c为自养 coloring