下图是我国北方处于平衡状态的某森林生态系统的碳循环示意图,箭

图是我国北方处于平衡状态的某森林生态系统的碳循环示意图,箭头表示碳传递方向,字母表示碳传递途径。下列各项叙述不正确的是(  )

A.碳从植物体流入动物体的主要形式是有机物

Ba途径是通过光合作用实现的,bdg途径是通过呼吸作用实现的

C.碳在生物群落与无机环境之间的循环主要是以二氧化碳的形式进行

D.如果上图中的字母表示碳元素传递的数量,则夏季abce之间的关系可表示为abce

答案

D

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