What are coral reefs? Are they Alive? Are they endangered?

Coral reefs are underwater ecosystems made up of colonies of coral polyps, living in shallow, warm marine waters.

Yes, coral reefs are alive, as they are made up of living organisms.

Yes, coral reefs are endangered. Overfishing, climate change, pollution, and destructive fishing practices are all major threats to coral reefs.

The Great Barrier Reef in Australia is the world’s largest coral reef system, stretching over 1,500 miles.

The Mesoamerican Barrier Reef System, located off the coast of Mexico and Central America, is the second largest coral reef system.

The Belize Barrier Reef is a popular tourist destination and includes several small islands and many different species of coral.

The Florida Keys Coral Reef is the only living coral reef in the continental United States.

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