Coral Reefs
Across
- 2. About 25% of the ocean's fish depend on a ---- reef
- 4. what kind of sunlight does a reef require?
- 6. extraordinary ---- of organisms live in these habitats
- 9. deep-sea coral reefs can survive in colder and deeper climates because they lack-----
- 11. named for the coral animals whose hard calcium skeletons make up their primary structure
- 12. Over half a billion of people rely on these reefs for food
- 14. the coral that builds reefs also use the help of -----
Down
- 1. fish ---- and rear their children in the nooks and crannies of coral
- 3. Fish and other organisms use coral reefs as?
- 4. fishing, diving, and ----- add millions of dollars to local businesses
- 5. The algae provides coral ----
- 7. Coral animals grow only in warm, shallow, coastal oceans
- 8. Coral animals are tiny relatives of ----
- 10. Coral reefs protect coastlines things like storms and?
- 13. coral animals use tentacles to capture and eat their food