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现实生活中的“外星人”嘴巴
375,525 views
|
达里安·萨特菲尔德 |
TED-Ed
• June 2021
Read transcript
在海底跟踪了一条毫不知觉的墨鱼一段时间后，这条海鳗终于准备进攻了。当海鳗长长的牙齿咬住这个软体动物后，它的猎物拼命地试图挣脱。但在它能成功逃脱前，海鳗喉咙里的第二套牙齿咬了上来，让猎物无法逃脱。这个进化被称为咽颚，是海底最常见的进化之一。 达里安·萨特菲尔德（Darien Satterfield）分享这种令人难以置信的骨骼机制是如何运作。 [扎克·威廉姆斯导演，艾迪生·安德森配音，麦克斯韦·索伦森配乐]。
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