Marine Biology Chapter 12

2. Corals that build hard skeletons around themselves.
11. The shape coral makes.
13. The largest coral reef, located near Australia.
14. The inner layer of the cnidarian skin.
17. Cnidarians that have waving tentacles.
18. A crab that attaches anemones to its shell.
19. The larvae form of a jellyfish.
20. The lid to a nematocysts “jar” that can spring open.
21. Another name for stony corals.
23. The stinging cells of a cnidarian that typically cover each tentacle.
25. Coral that has lost its color because the zooxanthellae in the coral has died.
26. The outer layer of skin.

1. Cnidarians that are zooplankton and do not swim but simply float in the water.
3. Nettle-like animals that possess a powerful sting.
4. The scientific class for sea anemones.
5. Large coral formations resulting from many corals gathered together building skeletons around themselves.
6. Swarms of jellyfish.
7. Corals that are soft and can be easily mistaken as plants.
8. What we call a very large smack of jellyfish.
9. Tiny phytoplankton that get captured by coral polyps.
10. A colony of hundreds of jelly-like creatures all linked together, making it appear as one creature.
12. A non-nettle jellyfish that has not sting.
15. Cnidarians that are often thought of as plants and.
16. A creature that looks like a rock mixed with a sea anemone.
22. Cnidarians that have waving tentacles.
24. The jellylike substance in between the epidermis and gastrodermis of a cnidarian.
25. The asexual form of reproducing by a sea anemone.