3. $400 $1600 $1200 $800 $1600 $800 $400 $1600 $800 $2000 $1200 $800 $2000 $400 $1200 $400 $1200 $2000 $1200 $1600 $2000 PoriferaCnidaria Cnidarian Classes Coral Reefs Zooxanthellae FJ

4. This is what collar cells do for sponges. 400 BoardAns

5. What beats flagella to move water through the sponge. QuestionQuestion BoardBoard

6. These are the 3 materials sponge skeletons may be made of. 800 BoardAns

7. What are Calcium carbonate, Silica, or spongin QuestionQuestion BoardBoard

8. These are the 3 functions of amebocytes in sponges. 1200 BoardAns

9. What can Carry food Make spicules Become any other cell QuestionQuestion BoardBoard

10. Sponges have this type of symmetry. 1600 BoardAns

11. What is asymmetrical? Or What is no symmetry? QuestionQuestion BoardBoard

12. Daily Double 1 2000 BoardAns

13. Type Answer to Column 1, 2000 point question. Question Question BoardBoard

14. This is the characteristic all Cnidarians have in common. 400 BoardAns

15. What are nematocysts or stinging cells? Question Question BoardBoard

16. This is alternation of generations. 800 BoardAns

17. What is one body type giving rise to the other – polyp and medusa? QuestionQuestion BoardBoard

18. Cnidarians have this type of symmetry. 1200 BoardAns

19. What is radial symmetry? QuestionQuestion BoardBoard

20. Cnidaria have this many openings. 1600 BoardAns

21. What is one? QuestionQuestion BoardBoard

22. The ciliated swimming larvae of a Cnidarian that settles down and becomes a polyp is called this. 2000 BoardAns

23. What is a planula larvae? QuestionQuestion BoardBoard

24. Order Siphonophora belongs in this class. 100 point Bonus: This is an example of a siphonophore. 400 BoardAns

25. What is Hydrozoa? Bonus: What is Portuguese Man-o-War? Question Question BoardBoard

26. This group has no alternation of generations. 800 BoardAns

27. What is Anthozoa? Question Question BoardBoard

28. This group’s dominant obvious stage is the medusa. 1200 BoardAns

29. What is Scyphozoa? Question Question BoardBoard

30. This group is usually colonial. 1600 BoardAns

31. What is Hydrozoa? Question Question BoardBoard

32. Sea Wasps are in this class. 2000 BoardAns

33. What is Cubozoa? QuestionQuestion BoardBoard

34. This is why coral reefs only grow in warm, shallow, clear water. 400 BoardAns

35. What is to get light for zooxanthellae and help take CaCO 3 out of the water QuestionQuestion BoardBoard

36. Coral reefs only develop in water that averages above this temperature. 800 BoardAns

37. What is 70° F? Question Question BoardBoard

38. Hermatypic corals are corals that do this. 1200 BoardAns

39. What is build reefs. Question Question BoardBoard

40. Most of the coral growth on a reef occurs here. 1600 BoardAns

41. What is the reef crest? Question Question BoardBoard

42. Coral reefs are known a the “canaries of the coal mines” because of this. 2000 BoardAns

43. What is corals are very sensitive to environmental changes. QuestionQuestion BoardBoard

44. Zooxanthellae are this kind of organism. 400 BoardAns

45. What is a dinoflagellate? QuestionQuestion BoardBoard

46. When corals get stressed they do this to the zooxanthellae. 800 BoardAns

47. What is eat them or kick them out? Question Question BoardBoard

48. This is how many zooxanthellae can be found in 1 cm 2 of coral tissue. BoardAns 1200

49. What is one million? Question Question BoardBoard

50. Column 5, 1600 points. 1600 BoardAns

51. Type Answer to Column 5, 1600 point question. QuestionQuestion BoardBoard

52. These are 2 other organisms zooxanthellae can be found in. 2000 BoardAns

53. What are giant clams, sponges, and sea squirts? QuestionQuestion BoardBoard

54. Daily Double 1

55. This is the covering of a nematocyst. BoardAns

56. What is an operculum? QuestionQuestion BoardBoard

57. Daily Double 2

58. Mesenteric filaments do this. BoardAns

59. What allows coral to compete, and digests from outside the coral polyp body? QuestionQuestion BoardBoard

60. Final Jeopardy: Antropogenic threats to coral reefs.

61. These are 4 anthropogenic threats to coral reefs.

62. What are 1.Destructive fishing practices 2. Overfishing 3.Collecting organisms for aquariums 4.Pollution 5.Mining corals for building materials Question