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蝌蚪吃什么长得快
更新时间： 2020-10-27 00:00:00  

蝌蚪吃熟蛋黄、面包屑以及水草长得快。蝌蚪古时写作“科斗”，是蛙、蟾蜍的幼体，又称蛤蟆蛋蛋。刚孵化出来的蝌蚪，身体呈纺锤形，无四肢、口和内鳃，生有侧扁的长尾，头部两侧生有分枝的外鳃，吸附在水草上，靠体内残存的卵黄供给营养。以群居为主。当蝌蚪成熟了，它们开始脱变，渐渐长出四肢，然后（对于蛙和蟾蜍）则透过细胞凋亡（控制细胞死亡）逐渐退化了它们的尾巴。

关键词： 蝌蚪 什么

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