1. Echinoderm Lab Practical Biology II

2. 1. Identify the surface. 2. What are the white “dots” on the surface?

3. 4. This is the madreporite. What is it’s function? 3. What is this general region of the sea star called?

4. 5. What is located at the tip of this region?

5. 6. Identify this surface of the sea star. 7. Identify the structure.

6. 7. Identify these structures.

7. 8. Identify this organ. 9. How many sections are there?

8. 10. Identify this structure which connects the madreporite with the ring canal. 11. Identify this canal. 11. 10.

9. 12. Name the parts of the water vascular system. 13. What type of skeleton does a sea star have?

10. 14. Identify the organ. 15. This organ lies just beneath the organ in #14

11. 16. This is the test of a ______________. 17. What is a test?

12. 18. Identify the organism. 19. This organism is in the phylum ___________.

13. 20. Explain how the sea star feeds. Bonus : Name the class the sea star is a member of.

14. The End!