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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 |