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5th Science Worms
5th grade test on worms
| Term | Definition |
|---|---|
| Worms | invertebrates split up into three groups |
| parasite | something that lives within a living thing and harms the living thing |
| scavenger | a worm with a flat body and one body opening |
| roundworm | a worm with a round body and two body openings (mouth and anus) |
| segmented worms | worms split up into segments |
| planaria | a flatworm that lives near or in water |
| tapeworm | a segmented worm that is also a parasite |
| hookworm | a roundworm that enters skin tissue |
| leech | a segmented worm that sucks blood |
| earthworm | a segmented worm that is the most advanced worm |
| coelum | a raised part of an earthworms body protecting its internal organs |
| setae | hairlike parts that help an earthworm move through soil |