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FJ. Cnidarian Classes. Coral Reefs. Zooxanthellae. Porifera. Cnidaria. $400. $400. $400. $400. $400. $800. $800. $800. $800. $800. $1200. $1200. $1200. $1200. $1200. $1600. $1600. $1600. $1600. $1600. $2000. $2000. $2000. $2000. $2000. 400.

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$400

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  1. FJ Cnidarian Classes Coral Reefs Zooxanthellae Porifera Cnidaria $400 $400 $400 $400 $400 $800 $800 $800 $800 $800 $1200 $1200 $1200 $1200 $1200 $1600 $1600 $1600 $1600 $1600 $2000 $2000 $2000 $2000 $2000

  2. 400 This is what collar cells do for sponges. BoardAns

  3. What beats flagella to move water through the sponge. QuestionBoard

  4. 800 These are the 3 materials sponge skeletons may be made of. BoardAns

  5. What are Calcium carbonate, Silica, or spongin QuestionBoard

  6. 1200 These are the 3 functions of amebocytes in sponges. BoardAns

  7. What can • Carry food • Make spicules • Become any other cell QuestionBoard

  8. 1600 Sponges have this type of symmetry. BoardAns

  9. What is asymmetrical? Or What is no symmetry? QuestionBoard

  10. 2000 Daily Double 1 BoardAns

  11. Type Answer to Column 1, 2000 point question. Question Board

  12. 400 This is the characteristic all Cnidarians have in common. BoardAns

  13. What are nematocysts or stinging cells? Question Board

  14. 800 This is alternation of generations. BoardAns

  15. What is one body type giving rise to the other – polyp and medusa? QuestionBoard

  16. 1200 Cnidarians have this type of symmetry. BoardAns

  17. What is radial symmetry? QuestionBoard

  18. 1600 Cnidaria have this many openings. BoardAns

  19. What is one? QuestionBoard

  20. 2000 The ciliated swimming larvae of a Cnidarian that settles down and becomes a polyp is called this. BoardAns

  21. What is a planula larvae? QuestionBoard

  22. 400 Order Siphonophora belongs in this class. 100 point Bonus: This is an example of a siphonophore. BoardAns

  23. What is Hydrozoa? Bonus: What is Portuguese Man-o-War? Question Board

  24. 800 This group has no alternation of generations. BoardAns

  25. What is Anthozoa? Question Board

  26. 1200 This group’s dominant obvious stage is the medusa. BoardAns

  27. What is Scyphozoa? Question Board

  28. 1600 This group is usually colonial. BoardAns

  29. What is Hydrozoa? Question Board

  30. 2000 Sea Wasps are in this class. BoardAns

  31. What is Cubozoa? QuestionBoard

  32. 400 This is why coral reefs only grow in warm, shallow, clear water. BoardAns

  33. What is to get light for zooxanthellae and help take CaCO3 out of the water QuestionBoard

  34. 800 Coral reefs only develop in water that averages above this temperature. BoardAns

  35. What is 70° F? Question Board

  36. 1200 Hermatypic corals are corals that do this. BoardAns

  37. What is build reefs. Question Board

  38. 1600 Most of the coral growth on a reef occurs here. BoardAns

  39. What is the reef crest? Question Board

  40. 2000 Coral reefs are known a the “canaries of the coal mines” because of this. BoardAns

  41. What is corals are very sensitive to environmental changes. QuestionBoard

  42. 400 Zooxanthellae are this kind of organism. BoardAns

  43. What is a dinoflagellate? QuestionBoard

  44. 800 When corals get stressed they do this to the zooxanthellae. BoardAns

  45. What is eat them or kick them out? Question Board

  46. 1200 This is how many zooxanthellae can be found in 1 cm2 of coral tissue. BoardAns

  47. What is one million? Question Board

  48. 1600 Column 5, 1600 points. BoardAns

  49. Type Answer to Column 5, 1600 point question. QuestionBoard

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