Problem:
Question 1: Are the hills of crayfish, lobsters and crabs inside or outside of the animals body? Explain your answer
Question 2: Describe the foot in a chiton, land snail, clam and squid, and discuss how their different forms represent adaptation for different modes of locomotion and, when appropriate, food capture.
Question 3: Species of roundworms and tape worms of similar sizes may live in the human intestine. Explain how their means of feeding and nutrition differ.
Provide a brief explanation for your answer.