下图是某生态系统有关功能的示意图。相关叙述正确的是( ) A.X1过

下图是某生态系统有关功能的示意图。相关叙述正确的是(  )

AX1过程的完成必须依赖于一种具有双层膜的细胞器

BX1过程吸收的CO2总量与Y1Y2Y3……Z过程释放的CO2总量相等

C.当该生态系统处于相对稳定状态时,X3过程的能量值约为X1过程的能量值的1%4%

D.图中箭头也可表示该生态系统的信息传递方向

答案

C

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