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桑蚕、蝴蝶生活史

适用年级 1-6 年级

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原理 

桑蚕的生长发育过程主要包括蚕卵、蚁蚕、二龄、三龄、四龄、幼虫、桑叶、茧、蛹、成虫。

蝴蝶的生长发育过程主要包括卵、幼虫、蛹、成虫。

 

目的 

了解桑蚕、蝴蝶生活史及各自的发育阶段。

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