How a single-celled organism almost wiped out life on Earth - Anusuya Willis
2,672,720 Views
115 Questions Answered
Best of Web
Let’s Begin…
There’s an organism that changed the world. It caused the first mass extinction in Earth’s history … and also paved the way for complex life. How? Anusuya Willis explains how cyanobacteria, simple organisms that don’t even have nuclei or any other organelles, wrote a pivotal chapter in the story of life on Earth.
WatchThink 5 Multiple Choice &
3 Open Answer Questions Dig Deeper Learn More Discuss 1 Guided Discussion &
0 Open Discussions
3 Open Answer Questions Dig Deeper Learn More Discuss 1 Guided Discussion &
0 Open Discussions
The composition of the Earth’s atmosphere has changed throughout the Earth’s history. How does the composition of the atmosphere affect Earth's climate?
Login to answer questionAbout TED-Ed Best of Web
TED-Ed Best of Web are exceptional, user-created lessons that are carefully selected by volunteer teachers and TED-Ed staff.
Meet The Creators
- Video created by TED-Ed
- Lesson Plan created by Luka Seamus Wright