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Blume Ch. 13.2
| Question | Answer |
|---|---|
| What does Annelids mean? | Little rings |
| What are setae? | Bristle like structures that help the animal move? |
| What type of symmetry do worms have? | Bilateral symmetry |
| What is the crop? | A sac used for storage |
| What is the gizzard? | A muscular structure which grinds the food |
| What circulation do earthworms have? | Closed circulatory system |
| What pumps the blood in the worm? | aortic arches |
| How do worms breathe? | Oxygen and carbon dioxide exchange through their skin |
| What does hermaphrodite mean? | Makes both sperm and eggs |