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SEGMENTED WORMS – THE PHYLUM ANNELIDA

READING ASSIGNMENTS	PAGES
GENERAL INFORMATION	456-458 EXCRETION IN INVERTEBRATES
SPECIFIC TO GROUP	654-656

QUESTIONS

1. Where do they live? What are examples of their habitat and food source?

2. How are these animals important to humans and the environment?

3. How are these animals unique?

4. How do they support their shape? Do they have a skeleton?

5. How do they get oxygen and get rid of Carbon Dioxide?

6. How do these animals reproduce? What is the life cycle like?

7. What is their nervous system like? Do they have specific sensory structures?

8. What type of circulatory system do these animals have?

9. What is their excretory system like? How do they eliminate the wastes we get rid of as urine?

10. How do these animals digest their food? Do they have a complete digestive system?

11. What are some examples of this group of animals?

12. What is a hermaphrodite?

13. Annelids are divided into segments by Septa, what does that mean for the organism?

14. Differentiate between circular and longetudinal muscles.

15. Describe these Annelid Classes:

- Polychaeta

- Oligochatea

- Hirudinea