How a single-celled organism almost wiped out life on Earth - Anusuya Willis

source: TED-Ed    2016年8月11日
View full lesson: http://ed.ted.com/lessons/how-a-singl...
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.
Lesson by Anusuya Willis, animation by Augenblick Studios.

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