Earthworms
1. Introduction: An introduction to earthworm terminology.
- These are the Journal questions that you should address in your analysis section:
1. What part of the digestive system would you see in a cross-section anterior to the gizzard?
2. What structure in the earthworm has a similar function as the human heart? Explain your answer.
3. What do two earthworms exchange during mating? Explain your answer.
4. Describe the difference between a closed and an open circulatory system.
5. Do earthworms have a front and a back end? Explain your answer.
6. What characteristics distinguish an annelid from other worms?