下列哪项不属于动物在生物圈中的作用( ) A.制造有机物   B.

下列哪项不属于动物在生物圈中的作用(  )

A.制造有机物   B.帮助植物传粉 C.维持生态平衡    D.促进物质循环

答案

A

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