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 are the coral reefs formed?

Coral reef - Wikipedia

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How Reefs Are Made - Coral Reef Alliance

The Coral reefs stock image. Image of animal, underwater - 293188723

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

Depletion of Corals (Graduation Project) by Himanshu Tiwari - Issuu

Coral Reef's Formation Stages. Coral reefs began forming some 30…, by Abdis Garcia Cruz

Video: How Do Corals Build Reefs?

How are the coral reefs formed?

Losing Our Coral Reefs – State of the Planet