Why are sloths so slow? – Kenny Coogan
查看完整课程: 在家DIY的最佳美甲://ed.ted.com/lessons/why-are-sloths-so-slow-kenny-coogan
Sloths spend most of their time eating, resting, or sleeping; 实际上, they descend from their treetops canopies just once a week, for a bathroom break. How are these creatures so low energy? Kenny Coogan describes the physical and behavioral adaptations that allow sloths to be so slow.
Lesson by Kenny Coogan, animation by Anton Bogaty.