校园中绿地生态系统中的蚯蚓能将土壤中的有机物或枯枝败叶分解为

校园中绿地生态系统中的蚯蚓能将土壤中的有机物或枯枝败叶分解为无机物,供绿色植物再利用。蚯蚓属于生态系统成分中的(  )

A.非生物的物质     B.生产者  C.消费者    D.分解者

答案

D 解析:生态系统由生物部分和非生物部分组成。生物部分包括生产者、消费者和分解者。

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