下图表示两个群落演替过程中物种丰富度的变化,下列叙述不正确的

下图表示两个群落演替过程中物种丰富度的变化,下列叙述正确的

是                                                           (  )

A.甲可表示在火灾后森林中进行的演替

B.甲的演替速度比乙快、历时短

C.甲中①、②处的物种组成相同

D.若气候条件适宜,甲乙均可演替成森林

 

答案

C

乙的物种丰富度从0开始,故乙是初生演替,而甲是次生演替。气候适宜的情

况下,甲、乙可演替为森林,甲中①、②处的物种组成不一定相同。

 

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