萤火虫因尾部能发出荧光而得名。萤火虫之所以能发光是因为含()发光质及发光酵素。A.磷 B.氮 C.氧 D.氖

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问题 萤火虫因尾部能发出荧光而得名。萤火虫之所以能发光是因为含()发光质及发光酵素。
选项 A.磷 B.氮 C.氧 D.氖
答案 A
解析 莖火虫会发光因为在它们的腹部末端有发光器,发光器内充满许多含磷的发光质及发光酵素,使萤火虫能发出一闪一闪的光。故答案为A
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