Skip to main content
Skip to search
Ideas change everything
WATCH
TED Talks
Browse the library of TED talks and speakers
Playlists
100+ collections of TED Talks, for curious minds
TED Series
Go deeper into fascinating topics with original video series from TED
TED-Ed videos
Watch, share and create lessons with TED-Ed
TEDx Talks
Talks from independently organized local events
DISCOVER
Topics
Explore TED offerings by topic
Podcasts
Explore the TED Audio Collective
Ideas Blog
Our daily coverage of the world of ideas
Newsletters
Inspiration delivered straight to your inbox
ATTEND
Conferences
Take part in our events: TED, TEDGlobal and more
TEDx Events
Find and attend local, independently organized events
TED on Screen
Experience TED from home
TED Courses
Learn from TED speakers who expand on their world-changing ideas
PARTICIPATE
Nominate
Recommend speakers, TED Prize recipients, Fellows and more
Organize a local TEDx Event
Rules and resources to help you plan a local TEDx event
Translate
Bring TED to the non-English speaking world
TED Fellows
Join or support innovators from around the globe
ABOUT
Our Organization
Our mission, history, team, and more
Conferences
TED Conferences, past, present, and future
Programs & Initiatives
Details about TED's world-changing initiatives
Partner with TED
Learn how you can partner with us
TED Blog
Updates from TED and highlights from our global community
SIGN IN
MEMBERSHIP
Type to search
现实生活中的“外星人”嘴巴
347,734 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]。
science
education
animals
evolution
biology
fish
TED-Ed
animation
ocean
TED is supported by ads and partners
