2. Arthropoda

3. Arachnida

4. Insecta & Crustacea

5. Chordates

6. Chondrichthyes

7. Osteichthyes

8. Arthropods
Arachnida
Insecta &
Crustacea
Chrodates
Chondrichthyes
Osteichtyes
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9. What are the three main groups of organisms in this phylum.

10. Spiders, Insects, and Crustaceans

11. What is the exoskeleton of the organisms in the phylum made out of.

12. Chitin

13. The shedding of the exoskeleton every so often is called?

14. Molting

15. What is the fluid that flows through an open circulatory system?

16. Hemolymph

17. What was the earliest Arthropod?

18. Trilobite

19. What are the 3 main groups of Arachnids?

20. Scorpions, Spiders, & Ticks

21. How many pairs of legs do Arachnids have?

22. 4

23. How many legs do Millipedes have?

24. They have 2 per segment.

25. Fangs with poison are called what?

26. Chelicerae

27. The class that Millipedes are in?

28. Diplopoda

29. What is the class that Centipedes are in?

30. Chilopoda

31. It is the study of Insects.

32. Entomology

33. What are the 3 body regions of Insects?

34. Head
Thorax
Abdomen

35. What are 4 types of Crustaceans?

36. Lobsters, Crabs, Shrimp, & Crayfish

37. What type of metamorphosis has the young resembling the adults?

38. Incomplete Metamorphosis

39. Stages of life include egg, larvae, pupae, adult?

40. Complete Metamorphosis

41. What are the two existing classes of Chordates?

42. Chondrichthyes
Osteichthyes

43. How many existing species of Chondrichthyes are there?

44. 810

45. The term Chondrichthyes means?

46. Cartilaginous
Fish

47. The term Osteichthyes means?

48. Bony Fish

49. Are there bony fish in the sea?

50. Yes

51. What are 3 types of cartilaginous fish?

52. Sharks,
Skates, &
Rays

53. The largest sharks feed how?

54. Filter Feeding

55. Why does a shark have to keep swimming?

56. So it does not drown/die, water must be pushed over the gills

57. Daily
Double!!

58. Sharks teeth are thought to have evolved from what?

59. Scales

60. What are the 3 lineages of Bony fishes?

61. Ray-finned
Lobe-finned
Lung Fish

62. The organ in a fish that detects sound in the water?

63. Lateral Line

64. Which type of scale is made of bone?

65. Ganoid

66. Lung fish are found where?

67. Madagascar or
Australia

68. What are the stages that bony fish passes through?

69. Development of a swim bladder
Skeleton into bone
Development of a swim bladder
Asymmetrical tail into a symmetrical tail
Ganoid scales into cycloid or ctenoid scales
Loss of spiracles and developed spines in fins and more efficient jaws.