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蛇为什么能吃比它大几倍的动物

更新时间: 2020-09-23 00:00:00     

主要是两个原因:

1、蛇在吞食较大的食物前会先通过缠绕将食物挤压成长条状,如此便于吞食;

2、蛇的下颌骨左右两半并未愈合,而是靠勒带松弛地连在一起 ,颚骨、翼狀骨、方骨和鳞骨彼此形成能动的关节,因此蛇的嘴巴可以开的很大,达130 度角 ,能吞食比它大好几倍的食物。

关键词: 为什么 动物

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