66. This animal is in the Phylum ____________.
67. Which letter is ventral? A B C D
68. Which letter is anterior? A B C D
69. How does this animal exchange gases?
70. What does this structure do?
71. What are these small organs?
72. This thin-walled sac is the _____.
73. What does this animal eat?
74. Both the earthworm and the trout have ____________ circulatory systems.
75, 76. Name and function? 75,76
77. Explain the deep red color of these structures. 7
78,79. Name of structure and function?
80. Name of organ only 80
81,82. Give the name and function of this delicate bag-like organ. 81,82
83. What is the name of this long brown tube?. 83