1. They lack specialised organs for transporting oxygen around the body so each cell must be near to
- The surface
- The heart
- The head
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Other questions in this quiz
2. Although many flatworms are free living, most are...
3. Some free-living flat worms exhibit what?
- Repeated patterns
4. Which of these is not an example of a parasitic flatworm?
- Nematode worm
5. Complex body parts seem to be increased in parasitic species