下列各项中可看作是一个生态系统的是 A.一个池塘中的全部鲤鱼b.一块农田中的所有生物c.一个生活着水生植物动物和其他小生物的水族箱d Template




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tomski下列各项中可看作是一个生态系统的是 a.一个池塘中的全部鲤鱼b.一块农田中的所有生物c.一个生活着水生植物动物和其他小生物的水族箱d coloring