結果 : what exactly are coral reefs
6:58

What Exactly Is Coral?

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Coral Reefs 101 | National Geographic

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Coral: What is it?

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What Are Coral Reefs And What's Their Purpose?

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2:44

How Do Corals Build Reefs? | California Academy of Sciences

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4:59

What are CORAL REEFS? 🌿🐠 (Types, Formation and Importance)

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Why are coral reefs so colorful?

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1:38

What Is Coral Bleaching? | TIME

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0:48

Did you know coral reefs cover less than 1% of the ocean floor but support 25% of all marine life?

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What's Killing The Coral Reefs?

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Exploring the Coral Reef: Learn about Oceans for Kids - FreeSchool

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Coral Reef for Kids | Science for Kids

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Coral reef video for kids- kindergarten learning videos- (what are corals made up of?)

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Tropical Coral Reef Ecosystems

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Coral Reef Zones

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Coral Reef - Types and Formation

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Facts: Corals and Coral Reefs

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Coral Reefs Could Play a Crucial Role in Medicine

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Where Are Coral Reefs Found?

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Cutting Coral With a Knife 🔪 #Shorts

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