Chapter 2: The First Frontier
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- Runtime
- 54m
- Air Date
- Aired Oct 25, 2023
For billions of years, land on Earth was uninhabitable. But in the seas, predation allowed species to thrive before — and after — two mass extinctions.
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Chapter 2: The First Frontier
For billions of years, land on Earth was uninhabitable. But in the seas, predation allowed species to thrive before — and after — two mass extinctions.