Marine Biology Chapter 12

1. The scientific class for sea anemones.
3. The larvae form of a jellyfish.
4. Cnidarians that have waving tentacles.
6. A non-nettle jellyfish that has not sting.
9. A colony of hundreds of jelly-like creatures all linked together, making it appear as one creature.
11. The inner layer of the cnidarian skin.
12. Coral that has lost its color because the zooxanthellae in the coral has died.
13. The lid to a nematocysts “jar” that can spring open.
15. What we call a very large smack of jellyfish.
18. Nettle-like animals that possess a powerful sting.
19. The shape coral makes.
21. The jellylike substance in between the epidermis and gastrodermis of a cnidarian.
22. Tiny phytoplankton that get captured by coral polyps.
24. The asexual form of reproducing by a sea anemone.
25. Cnidarians that are often thought of as plants and.

2. The stinging cells of a cnidarian that typically cover each tentacle.
5. Corals that are soft and can be easily mistaken as plants.
7. The largest coral reef, located near Australia.
8. Corals that build hard skeletons around themselves.
10. Another name for stony corals.
14. Large coral formations resulting from many corals gathered together building skeletons around themselves.
16. A crab that attaches anemones to its shell.
17. Cnidarians that are zooplankton and do not swim but simply float in the water.
18. A creature that looks like a rock mixed with a sea anemone.
20. Swarms of jellyfish.
21. Cnidarians that have waving tentacles.
23. The outer layer of skin.