仙人掌生活在生态环境恶劣地区,它的叶特化为刺,绿色的茎膨大呈

仙人掌生活在生态环境恶劣地区,它的叶特化为刺,绿色的茎膨大呈掌状、棒状,能进行光合作用。这些特点适应什么样的生存条件
A.缺乏空气B.缺乏阳光C.缺乏水分D.缺乏营养

答案

C解析:

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