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Pierces Worms

Blume Ch 13.2

1. What does Annelids mean? "little rings"
2.What are bristle like structures on the outsides of earthworms? Setae
3. Segmented worms have __________ symmetry. Bilateral
4. What two body openings does a worm have? Mouth and anus
5. What are some examples of segmented worms? Earth worms, leeches and marine worms.
6. What are is the name of the arches behind the brain? Aortic Arches
7. What type of circulatory system do earth worms have? Closed circulatory system
8. What pumps the blood in a earthworm? Aortic Arches.
9. How do earthworms breathe? The their skin.
10.Why do you never touch worms with dry hands? It could suffocate them.
Created by: plabrada