<p>Reading 27-3 Name______</p><p>1. Annelids are probably more closely related to ______and snails than they are to roundworms. 2. The Latin word “annellus” means ______3. What are septa? ______4. What are setae? ______5. Annelids are worms with ______bodies. They have a true ______that is lined with tissue derived from the mesoderm. 6. Name two ways that annelids can get their food: ______7. What type of annelid has jaws to capture prey? ______8. In earthworms, what is the job of the pharynx? ______9. Once food enters the earthworm, it goes to two structures: ______(where food is stored) ______( grinds food ) 10. What type of circulatory system do annelids have? ______11. What are the two major blood vessels in the earthworm? ______12. How do feather duster worms get oxygen? ______13. How do land dwelling annelids (like the earthworm) get oxygen? ______14. Excretory organs that that eliminate cellular waste: ______15. Do annelids have a brain? ______16. What type of skeleton do annelids have? ______17. What are the two sets of muscles that help the worm move? ______18. Paddlelike appendages found on marine worms are called ______19. In earthworms, the ______secretes a mucus ring where sperm and eggs are released. 20. What class of annelids contain the earthworms and their relatives? ______21. What is an earthworm casting? ______22. What type of annelids belong to the class Hirudenea? ______23. How do members of this class get their food? ______24. Leeches can either bite their hosts or insert a muscular ______into the tissues. 25. What are two ways in which leeches are used in modern medicine? ______26. Polychaetes are ______annelids that have paired, paddlelike appendages. 27. What did Aristotle call earthworms? ______28. Name one way that earthworms help the soil?______29. Name two animals that eat earthworms: ______30. Marine annelids are numerous in areas where ______promotes bacterial growth.</p><p>ANALYZING DATA (not in your book, you must THINK)</p><p>1. The forest location had more castings than the swamp location in both 1990 and 2007. True False </p><p>2. In all locations, the number of castings declined. True False</p><p>3. The field had about _____ castings in 1990, and about _____ castings in 2007.</p><p>4. The data implies that: a. the number of earthworms is declining b. the number of earthworms is increasing c. the number of earthworms is constant and depends on the location</p>