试题与答案

下列与生物学中的“消费者”不符的选项是( ) A.消费者是异养生物 B.动物是消

题型:选择题

题目:

下列与生物学中的“消费者”不符的选项是(  )

A.消费者是异养生物

B.动物是消费者

C.消费者不能消化有机物

D.消费者直接或间接地以绿色植物为食

答案:

生态系统是由生物成分和非生物成分组成的.非生物成分包括阳光、空气、水和土壤等.它们为生物提供能量、营养和生存空间.生物成分包括生态系统中的全部生物.根据获得营养和能量的方式,生物成分又可以划分为生产者、消费者和分解者.其中生产者主要是指绿色植物;消费者包括各种动物;

A、消费者自己不能进行光合作用制造有机物,必须以现成的有机物为食 故消费者为异养生物,不符合题意;.

B、动物直接或间接以植物为食,属于消费者,不符合题意;

C、消费者必须以现成的有机物为食,故该说法错误,符合题意;

D、消费者本身不能制造有机物,必须直接或间接地以绿色植物为食,消费者为异养生物,故不符合题意;.

故选:C

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