Coral Reefs

3. this eats small crustaceans such as shrimp and catch their prey by drawing water into their tube-like mouths
4. a fish that eats algae that grows on reefs
6. a body of water moving in a define direction
8. algae that grows in the tentacles of the coral polyp
9. fish often associated with the name Nemo
11. tiny animals in the reef that polyps feed off
13. a cluster or chain of islands
14. this hard or soft object secretes small amounts od calcium carbonate
15. to swim using a snorkel to view underwater objects such as reefs
16. this animal catches small fish by stinging and paralysing them with their tentancles
17. a stretch of salt water separated from the sea by a low sandbank or coral reef

1. a grass-like plant that lives in close to the land
2. one of the seven wonders of the world\
5. a circular coral reef that forms to protect a lagoon or coastline from the ocean
7. the area of seabed around a large land mass where the sea is relatively shallow compared with the open ocean
10. Coral reefs are made up of millions of individual animals called..
12. a piece of land surrounded by water
14. a low bank of crushed coral or sand protruding out of the water