7.在某人工鱼塘中食物链主要是浮游植物→鱼a→鱼b由于某种消费者c的侵入导致鱼a显�减�鱼b的数量基本不变食物�中的营养级级数也未变 Template




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tomski7.在某人工鱼塘中食物链主要是浮游植物→鱼a→鱼b由于某种消费者c的侵入导致鱼a显�减�鱼b的数量基本不变食物�中的营养级级数也未变 coloring