1. In what class does this organism belong?

2. Name this organism

3. What are the bony plates under the skin of an echinoderm called?

4. What are the tube feet of echinoderms called?

5. Name these organisms

6. In what class does this organism belong?

7. What is the name for an endoskeleton where the ossicles are fused together, as in an urchin?

8. Name this organism

10. In what class does this organism belong?

11. Name the class of this organism

12. In what class does this organism belong?

13. Name this organism

14. In what class does this organism belong?

16. Name this organism

17. In what class does this organism belong?

18. What kind of symmetry do echinoderms have?

19. What is the side of an echinoderm with the mouth called?

20. Name these organisms

21. In what class does this organism belong?

22. What does the name “Echinodermata” translate to?

23. What is the name of the 5 plated jaw urchins use to feed?

24. What is the process by which echinoderms can replace lost parts called?

25. Name this organism

26. In what class does this organism belong?

27. Name this organism

30. What are the pincer like structures of echinoids and asteroids called?

31. In what class does this organism belong?

32. What are the grooves on the underside of a sea star called?

33. How do echinoderms control the movement of their tube feet?

34. What is the name of the small opening on a echinoderm where water enters the body?

35. What is the side of an echinoderm without the mouth called?

36. What are the branched feeding apparatus of sea cucumbers called?

37. Name this organism

38. In what class does this organism belong?

39. Name this organism

42. In what class does this organism belong?

43. Name this organism

44. What kind of skeleton do echinoderms have?

45. In what class does this organism belong?

46. Name 3 possible functions of pedicellaria.

47. Name this organism

48. Why do sea cucumbers eviscerate their internal organs?