1. How are coral reefs made?

2. What do polyps eat?

3. Where would you not expect to find a coral reef?

4. The Great Barrier Reef is located off the coast of what country?

5. Which type of coral reef forms a ring around a lagoon of water?

6. Which type of coral reef forms close to the shore line?

7. Which type of coral reef can form far away from the shore line?

8. Which zone of a coral reef is where the reef is at its highest point and the waves break?

9. True or False: Coral reefs often help protect the shore line from erosion.

10. How do humans damage coral reefs?