Life Around the Mid-Ocean Ridges
In Life Around the Mid-Ocean Ridges, narrator Sir David Attenborough showcases the animals that live around vents deep in the ocean, far from sunlight. Learn about tube-worms, crabs, and other animals that are densely packed and live on bacteria. This video is excerpted from BBC’s Blue Planet, a definitive documentary series diving into the mysterious depths of the sea to discover the natural history of the world’s oceans and the rarely seen marine life that reside there.
Lesson Express
Q: How did discovering life on the mid-ocean ridges change what scientists thought?
A: They realized that there could be life even where there was no sunlight.
Q: What is the source of energy for the rich life around the vents?
A: The sulfides from the vents feed the bacteria, and the bacteria provide food for all of the other species.
Q: Why will the fish living at the vent eventually have to move?
A: The vents are not active for more than a few decades.
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