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- Marine Worms
- Marine worms inhabit the _____1_____ , lakes, and rivers of the world.
- They can be flat, _____2_____ or segmented in body structure.
- Flat worms have _____3_____ digestive, muscle, and nervous systems.
- Unsegmented worms can bea few inches to _____4_____ 90 feet in length.
- Segmented worms, the most advanced ones, include _____5_____ kinds of animals with complicated structures.
- seas
- mountains
- waters
- dirt
- seas
- unsegmented
- large
- small
- segmented
- unsegmented
- simple
- large
- complex
- colorful
- simple
- less than
- over
- for
- in
- over
- various
- some
- one
- each
- various
-