下列关于种群群落和生态系统的叙述中错误的是 A.种群密度是种群最基本的数量特征 B.导致群落演替的因素包括群落内部因素和外界环境的变化 C Template




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tomski下列关于种群群落和生态系统的叙述中错误的是 a.种群密度是种群最基本的数量特征 b.导致群落演替的因素包括群落内部因素和外界环境的变化 coloring