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3. Choose a category. You will be given the answer. You must give the correct question. Click to begin.

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5. Sponges Cnidaria FeedingSymmetry Scientific/ Common Name 10 Point 20 Points 30 Points 40 Points 50 Points 10 Point 20 Points 30 Points 40 Points 50 Points 30 Points 40 Points 50 Points Marine Worms

6. Sponges are included in this Phylum.

7. Porifera

8. Scientific term used to describe movement in sponges

9. Sessile

10. This is the part of the sponge where digestion and circulation take place.

11. Atrium

12. Two defenses sponges use to deter predators

13. Toxins & Spicules

14. This organism forms a symbiotic relationship with sponges.

15. Cyanobacteria

16. These stinging organelles are found in Cnidocytes.

17. Nematocysts

18. This Cnidarian class includes what is considered the most poisonous animal on Earth.

19. Cubozoa

20. This digestive space is found in Cnidarians.

21. Gastro-vascular cavity

22. Planktonic form of a Cnidarian’s life cycle (tentacles point down)

23. Medusa

24. Class of Cnidarian whose organisms live in colonies of specialized polyps

25. Hydrozoa

26. Marine worms use this “water skeleton” for support

27. Hydrostatic Skeleton

28. Two ecological roles of marine worms

29. Absorb nutrients too small to be absorbed by others, prey, habitat, parasites

30. This phylum contributes more organisms to Earth than any other phylum of worm.

31. Nematodes (roundworms)

32. Common name for Chaetognatha

33. Arrow Worms

34. Ectoprocta, Phoronida, and Brachiopoda all bear this unique feature

35. lophophore

36. This type of feeding involves the consumption of microscopic organisms found in ocean water.

37. Suspension/filter Feeding

38. Sponges get their food using this technique.

39. Filter/Suspension Feeding

40. This is the main predator that specializes in feeding on sponges.

41. Hawksbill Sea Turtle

42. Besides filter/suspension feeding, Cnidarians exhibit this type of feeding.

43. Carniverous Predatorial

44. Name two types of feeding exhibited by marine worms.

45. Deposit feeding, Carniverous, Suspension feeding

46. This refers to having “no” symmetry.

47. Asymmetrical

48. Cnidarians exhibit this type of symmetry.

49. Radial Symmetry

50. Sponges exhibit this type of symmetry.

51. Asymmetry

52. Marine worms exhibit this type of symmetry.

53. Bilateral symmetry

54. This is the advantage of radial symmetry.

55. Being able to approach environment equally from all sides

56. Platyhelminthes

57. Flat worms

58. Portuguese man o’ war, fire coral…etc.

59. Hydrozoa

60. True Jellyfish

61. Scyphozoa

62. Nematodes

63. Roundworms

64. Phoronida

65. Burrowing worms

66. Make your wager

67. These flagellated cells in a sponge’s atrium are responsible for circulating water and filter feeding

68. Choanocytes