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Blume Ch 13.2
| Annelids have what shaped bodies? | tube shaped |
| Annelids have a what on the outside of each body segment | setae |
| Segmented worms have what type of symmetry? | bilateral |
| What three places do segmented worms live in? | salt water, freshwater, moist soil |
| What is the front and back end of an Earthworm? | Anterior and posterior |
| What is the crop in an earthworm used for? | storage |
| Where in an earthworm are the nutrients absorbed and organic matter broken down? | intestines |
| What from an earthworm helps fertilize the soil? | castings |
| Is an earthworm a closed or open circulatory system? | closed |
| An earthworm has two of what that go along the bottom and top of itself? | blood vessels |
| The worm has five what that pumps blood? | aortic arches |
| How does an earthworm breath? | It has an oxygen carbon-dioxide exchange through its skin |
| Why should you never touch an earthworm with dry hands? | you could take off their mucus layer and suffocate them |
| Where does the main nerve cord connect to? | the brain |
| Which three things do earthworms respond to? | light, temperature, and moisture |
| Does an earthworm produce sperm, egg, or both? | both |
| How many types of species of marine worms are there? | more than 8000 |
| What do leeches feed on? | the blood of other animals |