1. BIOL 197L – LAB #8 – INVERTEBRATE DIVERSITY AND ANATOMY II

2. Which phyla did we study in lab?

3. Phylum Arthropoda Subphylum Crustacea

4. Phylum Nematoda

5. Phylum Arthropoda Class insecta

6. Phylum Echinodermata

7. What phylum does this organism belong to? What other classification can be used to describe it?

8. Arthropoda Subphylum Crustacea Genus Procambrus

9. Identify: Which one of these organisms is a female; which is a male?

10. Note the swimmerets Male Female

12. Identify:

13. Antenna

14. Identify: Antenna Eye

15. Identify: Antenna Eye Head

16. Identify: Antenna Eye HeadThorax

17. Identify: Antenna Eye HeadThorax Carapace

18. Identify: Antenna Eye HeadThorax Carapace Abdomen

19. Identify: Antenna Eye HeadThorax Carapace Abdomen Swimmerets

20. Identify: Antenna Eye HeadThorax Carapace Abdomen Swimmerets Tail

21. Identify: Antenna Eye HeadThorax Carapace Abdomen Swimmerets Tail Walking legs

22. Identify:

23. The gills

24. Identify:

25. The heart

26. The holes in the crawfish’s heart are known as:

27. Ostia

28. Identify:

29. The stomach

30. Identify: Structure Purpose

31. A green gland Excretion of wastes

32. What phylum does this organism belong to? What other classifications can be used to describe this organism?

33. Arthropoda Class Insecta Order Orthoptera Genus Romalea

34. Identify:

35. Head

36. Identify: Head Thorax

37. Identify: Head Thorax Abdomen

38. Identify: Head Thorax Abdomen Fore wing

39. Identify: Head Thorax Abdomen Fore wing Hind wing

40. Identify: Head Thorax Abdomen Fore wing Hind wing Spiracles

41. Identify: Head Thorax Abdomen Fore wing Hind wing Spiracles Mouthparts

42. Identify: Head Thorax Abdomen Fore wing Hind wing Spiracles Mouthparts Compound eye

43. Identify: Head Thorax Abdomen Fore wing Hind wing Spiracles Mouthparts Compound eye Ocelli

44. Identify: Head Thorax Abdomen Fore wing Hind wing Spiracles Mouthparts Compound eye Ocelli Antenna

45. The type of sound production that is produced by grasshoppers is:

46. Stridulation

47. Identify: Structure Purpose

48. Fore wings They serve as a covering for the hind wings when at rest

49. The fore wings are borne on the mesothorax

50. Identify:

51. Hind wings Note the wing veins

52. What is the tracheae?

53. The air tubes or gas exchange system

54. Identify: Structure Purpose

55. Spiracles The site of oxygen diffusion (the spiracles open up into the system of tracheal tubules. These two body parts constitute the respiratory system of the grasshopper.)

56. Identify: Structure Purpose

57. Tympanic membrane Serve as an organ of hearing

58. What type of coelom does Romalea have?

59. Hemocoel

60. What type of circulation does the grasshopper have?

61. Open circulation

62. Identify: Structure Purpose

63. Crop Site of food storage Note that the esophagus is before the Crop, if something is pinned there, it could be the esophagus

64. Identify: Structure Purpose

65. Gastric ceca Secrete digestive enzyme and aid in food absorption

66. Identify: Structure Purpose

67. Stomach Where digestion takes place

68. Identify: Structure Purpose

69. Malphigian tubules These tubules remove wastes and salts from the blood

70. The Malphigian tubules may also look like #9:

71. Identify: Structure

72. Intestines

73. Identify: Structure

74. Rectum

75. Identify:

76. Ventral nerve cord

77. Another image for examination:

78. Identify the male and female Romalea.

79. Identify: Structure Purpose Male Female

80. Identify: Male Female Ovipositor (the Site of egg dispersal)

81. What phylum does this organism belong to?

82. Nematoda

83. Which genera did we study that are in the phylum Nematoda?

84. Turbatrix (the vinegar eel)

85. Trichinella

86. Ascaris lumbricoides

87. Identify: Phylum Genus

88. Nematoda Trichinella Encysted in the muscle tissue of the pig

89. Identify: Phylum Genus Female or male? Does this organism cause a disease? If yes, what is the disease called?

90. Nematoda Trichinella Female Yes, trichinosis

91. Nematodes (AKA round worms) are commonly dioecious and they use a hardened structure known as a spicule during copulation.

92. What phylum does organism belong to? What genus does this organism belong to?

93. Echinodermata Asterias

94. What are two unique features of the Echinodermata?

95. Calcareous endoskeletons Water vascular systems Their larvae are bilaterally symmetrical, while the adults exhibit radial symmetry

96. Identify: Structure Pupose

97. Madreporite The intake of water into the water vascular system Located on the aboral surface

98. Spines

99. Identify: