Great Filter
The End Of The World with Josh Clark
The Cambrian Explosion and the Shift in Earth's Ecosystems
The history of life on Earth is predominantly that of microscopic organisms, until the Cambrian period when ecosystems became dominated by animals, marking a significant shift in biological evolution. The sudden surge in complexity during the Cambrian period, known as the Cambrian explosion, is theorized to be triggered by factors such as widespread glaciation, increasing oxygen levels in the atmosphere from photosynthesis, and the critical threshold of atmospheric oxygen required to support more complex life forms.
00:00
Transcript
Play full episode
Remember Everything You Learn from Podcasts
Save insights instantly, chat with episodes, and build lasting knowledge - all powered by AI.
