Life on planet Earth has hung in the balance multiple times. If we look back at the planet's history, we will find five episodes that we can classify as mass extinction events, 5 bloody chapters in the story of how life on Earth nearly ended, endured, and thrived.

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Chapters:
0:00 2:02 What is a Mass Extinction?
2:02 2:49 Alura
2:49 4:12 First Mass Extinction
4:12 5:22 Second Mass Extinction
5:22 6:30 Third Mass Extinction
6:30 8:09 Fourth Mass Extinction
8:09 11:02 Fifth Mass Extinction
11:02 13:28 Sixth Mass Extinction
13:28 13:36 Credits

Sources and Additional Reading:

https://www.bbc.com/portuguese/curios...

https://www.megacurioso.com.br/cienci...

https://pt.wikipedia.org/wiki/Extin%C...

https://www.invivo.fiocruz.br/ciencia...

https://brasilescola.uol.com.br/biolo...

https://olhardigital.com.br/2022/10/2...

https://www.uol.com.br/tilt/ultimasn...

https://super.abril.com.br/coluna/der...

https://g1.globo.com/Noticias/Ciencia...

https://news.harvard.edu/gazette/stor...

https://www.nhm.ac.uk/discover/whati...