The video takes viewers on a journey through the history of life on Earth, starting with the origin of life and the emergence of multicellular organisms. It explores the diversity of extinct beings, including the Ediacaran biota, and the evolution of complex life forms during the Cambrian period. The video also delves into the development of vertebrate animals, the rise of amphibians and reptiles, and the mass extinction event that occurred during the Permian period. It concludes with the emergence of the first dinosaurs and the birth of the first mammals, marking the end of the Paleozoic era.
Here are the key facts extracted from the text:
1. For millions of years, bacteria were the main forms of life on Earth.
2. The Earth was very different in the past, with a young sun and a giant moon that was much closer than it is today.
3. The Cambrian period began 541 million years ago.
4. The Ediacaran biota thrived between 635 and 542 million years ago.
5. The Ediacaran period is thought to be the time when the planet's seas were first filled with living beings.
6. Ediacaran beings were likely vegetarians and lived in a peaceful ecosystem.
7. The first beings that can be categorized as belonging to current species appeared at the end of the Ediacaran period.
8. The Cambrian explosion refers to the rapid appearance of new species in the Cambrian period.
9. The first plants and invertebrate animals appeared in the terrestrial environment after the Cambrian period, in the Ordovician or Silurian period.
10. Vertebrate animals first appeared in the terrestrial environment in the Devonian period, around 419 million years ago.
11. The Carboniferous period began around 358 million years ago.
12. During the Carboniferous period, the Earth was covered in plants, and the concentration of oxygen in the atmosphere rose to 35%.
13. The first reptiles evolved during the Carboniferous period.
14. The Permian period began around 299 million years ago.
15. The Permian period was followed by a mass extinction event that wiped out 96% of marine beings and 73% of terrestrial vertebrates.
16. The Paleozoic era came to an end with the Permian extinction event.
17. The first dinosaurs appeared after the Permian extinction event.
Note that I excluded any sentences that were not verifiable facts, such as opinions or speculations.