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kaleigh howard2
Blume Ch.13.2
| Question | Answer |
|---|---|
| what dooes Annelids (A nuh ludz) mean? | “little rings” |
| what is a setae (SEE tee)? | bristle like structures on the outside of each body segment, they help it move and “sense” the environment. |
| what type of symmetry do segmented worms have? | bilateral symmetry |
| what type of water do segmented worms live in? | can live in freshwater, salt water, & moist soil |
| Give 3 examples of annelids. | earthworms, marine worms and leeches are annelids |
| What is the first thing a worm does in digesting it's food? | It takes soil into it’s mouth. |
| What is a gizzard? | a muscular structure which grinds the soil and the bits of organic mater. |
| where is the organic matter broken down & nutrients are absorbed by the blood? | intestines |
| where do the wastes leave the worm | anus |
| what type of circulatory system do worms have? | closed circulatory system |
| what do the “aortic arches” do? | pump blood |
| How do Oxygen and Carbon-dioxide flow through a worm? | Oxygen and Carbon-dioxide exchange through their skin. (it is covered with a thin watery mucus) |
Created by:
khoward1
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