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Life on Earth · S1E5 — Conquest of the Waters
Season 1 episodes
1. The Infinite VarietyJan 16, 1979
2. Building BodiesJan 23, 1979
3. The First ForestsJan 30, 1979
4. The Swarming HordesFeb 6, 1979
5. Conquest of the WatersFeb 13, 1979
6. Invasion of the LandFeb 20, 1979
7. Victors of the Dry LandFeb 27, 1979
8. Lords of the AirMar 6, 1979
9. The Rise of the MammalsMar 13, 1979
10. Theme and VariationsMar 20, 1979
11. The Hunters and HuntedMar 27, 1979
12. Life in the TreesApr 3, 1979
13. The Compulsive CommunicatorsApr 10, 1979Synopsis
Fish exist in numbers reaching billions, encompassing over 30,000 species – more than any other group of animals possessing a backbone. The emergence of the backbone itself represented a pivotal moment in evolutionary history, and remarkably, it likely originated with a small, gelatinous creature known as a sea squirt.
