3. Jeopardy

11. $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500

12. These worms are found in fresh and salt water but not on land.

13. Flatworms

14. Flatworms have this type of body cavity.

15. Acoelomate

16. Flatworms have this many openings for ingesting food and removing waste.

17. 1

18. If you shine a flashlight on the Planaria you would notice that they would actively move out of the light because these structures were able to sense the change.

19. Eyespots

20. When Planaria is cut in half they will most likely survive and undergo this process.

21. Regeneration

22. The phylum Nematoda is mostly made up of these types of organisms.

23. Parasites

24. Roundworms have a digestive system with this many openings.

25. 2

26. Roundworms have this type of body plan.

27. Pseudocoelomate

28. This is how a roundworm carries out respiration.

29. Diffusion through the skin

30. This is the phylum of roundworms.

31. Nematoda

32. Waste products leave the earthworm’s body through this.

33. Anus

34. Worms in the annelida phylum have a body plan that is this.

35. segmented

36. The earthworm uses these structures to assist their movement because they provide them grip much like tires.

37. Setae

38. This structure stores food that the earthworm consumes.

39. Crop

40. An earthworm breathes through this.

41. Its skin

42. Because Bobby is suffering from severe irritation near his anus after playing in the sandbox yesterday, his doctor diagnoses him with this parasite.

43. Pinworm

44. This common acoelomate flatworm can grow to enormous lengths in the human intestine and has been claimed to be used in some people’s diets.

45. Tapeworm

46. Biff loves his pork chops and mashed potatoes, but lately he has been suffering from severe abdominal pain and diarrhea, so his doctor has diagnosed him suffering from this worm.

47. Trichinella

48. Herb, a hiking enthusiast, recently decided to trek barefoot through a forest and ever since has been complaining of severe abdominal pain and cramps. His doctor prescribed him an iron supplement to help treat the infection of this worm.

49. Hookworm

50. The city Ty just visited on vacation was not very clean and allowed human feces to be thrown in the fields and in the streets. Now he is suffering from intense abdominal pain, vomiting, and restlessness because he has probably contracted this parasitic worm.

51. Ascaris

52. This organ in the earthworm breaks down food before it enters the intestine.

53. Gizzard

54. These structures excrete metabolic waste through the skin of the earthworm.

55. Nephridia

56. Nutrient absorption of food takes place in this structure of the earthworm.

57. Intestine

58. This earthworm structure secretes a slime layer to receive eggs and sperm and form a “cocoon”.

59. Clitellum

61. The concentration of nerve fibers located at the anterior end of the worm are known as this.

62. Cerebral Ganglion

63. Roundworms reproduce this way.

64. Sexual

65. Earthworms have this body plan.

66. Coelomate

67. The earthworm has this many hearts.

68. 5

69. The lighter side of the worm that contains the mouth is this side.

70. Ventral

71. Flatworms were the first species to show this, which means a concentration of nerves in one location.

72. Cephalization

73. Readers Digest

74. These are the differences between the flatworm, roundworm, and segmented worm’s digestive system. (compare them)