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光照 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光照 coloring