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How Coral Grows

In How Coral Grows, narrator Sir David Attenborough explains how coral grows in the coral reef. Watch coral larvae become coral plants. 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.

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Program:
Blue Planet I
Time:
2:50
Subject:

Lesson Express

Q: What are fish and coral battling for?
A: The fish and coral battle over space.

Q: How many larvae are needed to form a reef?
A: Only one larva is needed to form a reef.

Q: How does an entire reef colony develop?
A: Polyps bud off and create the colony.

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