大多数生物群落在空间上有垂直分层现象称为群落的垂直结构引起森林群落中植物和动物垂直分层现象的主要因素分别是 A.温度食物b.温度 Template




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tomski大多数生物群落在空间上有垂直分层现象称为群落的垂直结构引起森林群落中植物和动物垂直分层现象的主要因素分别是 a.温度食物b.温度 coloring