下列哪项不属于动物在自然界中的作用 A.利用二氧化碳和水制造有机物b.在生态平衡中起着重要的作用c.促进生态系统的物质循环d.帮助植物传粉 Template




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tomski下列哪项不属于动物在自然界中的作用 a.利用二氧化碳和水制造有机物b.在生态平衡中起着重要的作用c.促进生态系统的物质循环d.帮助植物传粉 coloring