1. 66. This animal is in the Phylum ____________.

2. 67. Which letter is ventral? A B C D

3. 68. Which letter is anterior? A B C D

4. 69. How does this animal exchange gases?

5. 70. What does this structure do?

6. 71. What are these small organs?

7. 72. This thin-walled sac is the _____.

8. 73. What does this animal eat?

9. 74. Both the earthworm and the trout have ____________ circulatory systems.

10. 75, 76. Name and function? 75,76

11. 77. Explain the deep red color of these structures. 7

12. 78,79. Name of structure and function?

13. 80. Name of organ only 80

14. 81,82. Give the name and function of this delicate bag-like organ. 81,82

15. 83. What is the name of this long brown tube?. 83