在食物网中,生产1吨蛋白质,消耗能量最多的生物是        (

在食物网中,生产1吨蛋白质,消耗能量最多的生物是        ( )

A.羊          B.牛           C.草           D.狼

答案

D


解析:

在此食物网中,狼是次级消费者,处在能量金字塔的顶端,由于能量在食物链的传递过程中逐级递减,所以狼生产1吨蛋白质消耗的能量最多。

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