Coral Reefs Crossword Puzzle

2. sediment with grain size that is very small.
4. Seaweed is a type of ______.
5. one of the three main types of coral reef
7. a manmade structure that mimics coral reefs
9. have five arms and look like stars.
13. dissolved salt content of a body of water
14. simple aquatic animals with dense, yet porous, skeletons
16. the introduction of substances or energy from humans into the marine environment.
17. When coral reefs are purple, orange, and pink they are considered ______.
18. colorful substances under the sea.
19. a terrestrial flowering plant.
20. non vascular plant int the ocean. You can eat it.
22. solid material that is moved and deposited to a new area
23. brightly covered fish that have a mouth that resembles a beak.
25. somewhere where animals live
27. underwater ecosystem
28. The Portuguese man o' war lives in a _______.

1. the interaction between two dissimilar organisms living in close physical association.
2. plants that live in saltwater
3. where animals live
6. the highest point of the reef
8. When a coral reef is too warm, the corals turn white. This is effect it called _____________.
10. Coral reefs ______ fish because of the habitats that the provide.
11. vertebrates that live in the water
12. sea animals with a small body that look like snails
15. _____ is a character from spongebob.
17. orange and white tropical fish
21. unique landforms that protect diverse aquatic habitats
24. a ring-shaped coral reef, island, or series of islets
26. the land across the sea