Name Echinoderm Test True/False Fill-in “A” for true and “B” for false. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. There are 65,000 species of echinoderms worldwide. Echinoderms have an endoskeleton. All echinoderms are cylindrical in shape. Echinoderms can reproduce asexually. Echinoderms respiratory system consists of respiratory trees. Starfish are carnivores that eat clams, oysters and small fish. Echinoderms have a complete digestive system. The Phylum Echinodermata members have an excretory system that is large and complex. The starfish has a head region and a brain (concentrated ganglia). The Echinodermata circulatory system is reduced in size. Echinoderms have separate sexes. Classification Fill-in “A” for Asteroidea, “B” for Ophiuroidea, “C” for Crinoidea, “D” for Holothuroidea and “E” for Echinoidea. 12. Examples include sea stars 13. Examples include sea cucumbers 14. Examples include feather stars 15. 950 living species 16. 2000 living species 17. Some crawl, others burrow and are found under rocks 18. May contain toxins 19. Examples include sea urchins 20. Have elongated, soft bodies 21. Are mostly carnivorous 22. Brightly colored (this answer will contain TWO letters to be filled-in) Completion Complete the sentences/phrases below using the word bank below. A. Radial canal B. Ampulla C. Tube foot 23. Most echinoderms have 24. Echinoderms have D. External E. Internal AB. Madreporite AC. Ring canal AD. Radial AE. Bilateral reproduction. symmetry. 25. This is the part of the water vascular system in which water enters and leaves. Name Per. 26. The with attachment. is a hollow tube with suction-cups on the ends to help 27.The is the part of the water vascular system that is contained in each arm and is connected to the ring canal. 28. The is a muscular sac that helps force water into the tube foot. 29. The plate. is where the water flows after it enters through the sieve Animal Picture Identification Identify each animal below as: A. B. C. D. 30. 31. sea star brittle star sand dollar sea cucumber E. sea lily AB. Feather star AC. sea urchin Name 32. 33. 34. 35. 36. Per. Name Per. Sea Star Diagram Label the sea stars below using the word bank. A. Pyloric stomach B. Madreporite C. Tube foot D. Ampulla E. Ring canal AB. Radial canal AC. Anus AD. Digestive glands AE. Gonads 37. 45. 38. 44. 43. 39. 41. 42. 40.