蝗虫生活在干燥的环境中,防止水分散失的结构是            

蝗虫生活在干燥的环境中,防止水分散失的结构是                     (   )

A. 肺  B. 气管    C.气囊    D. 外骨骼

 

答案

D

解析:

 

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