Marine biologists believe coral reefs existed 400 million years ago, when dinosaurs roamed the earth. Today this active environment is home to about 200,000 kinds of brilliantly colored corals, plants and animals--more sea life than is found anywhere else in the world. Full color.

Coral Reefs 2009, Holiday House, New York, NY

ISBN-13: 9780823422784

Trade paperback

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Coral Reefs 2007, Holiday House, New York, NY

ISBN-13: 9780823420803

Hardcover

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