How are coral reefs formed?

They're fragile and beautiful and protect coastlines from erosion and storms. But how are coral reefs made? Learn how these sensitive marine ecosystems form.

How Do Coral Reefs Form: Corals Tutorial

Did you know: How do corals form colonies?

What is the Importance of Coral Reefs? Because Coral Reefs are the “rainforests of the ocean” and represent twenty-five percent of the oceans marine life, - ppt download

Coral reef facts for kids! - National Geographic Kids

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How Coral Reefs Are Formed – Habitat Video Lesson

How are coral reefs formed? Coral reef, Ocean pollution, Reef

Ocean conditions & the skeleton of reef-building corals

How was the Great Barrier Reef formed?

Coral Reef Ecosystem - WorldAtlas

What Is Coral & Why Is It Important? IFAW