假设初级消费者从生产者获得的能量都相同,下列食物链中,猫头鹰

假设初级消费者从生产者获得的能量都相同,下列食物链中,猫头鹰能够获得最多能量(绿色植物提供)的食物链是(  )

A.绿色植物蝗虫蜘蛛蜥蜴猫头鹰

B.绿色植物蝗虫青蛙猫头鹰

C.绿色植物猫头鹰

D.绿色植物猫头鹰

答案

解:因为能量流动是单向流动,逐级递减的,且能量的传递效率为1020%,所以在食物链中,食物链越短最高营养级获得的能量就越多.在四个选项中,绿色植物猫头鹰这条食物链最短,猫头鹰获得的能量最多.

故选:D

 

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