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6. Although many flatworms are free living, most are...

  • Parasites
  • Pests
  • Symbionts

7. Many parasitic flatworms devote most of their body to reproduction because they lack digestive tracks

  • True
  • False

8. They lack specialised organs for transporting oxygen around the body so each cell must be near to

  • The head
  • The surface
  • The heart

9. Flatworms have a mouth but no anus

  • True
  • False

10. Some free-living flat worms exhibit what?

  • Cephalisation
  • Emotions
  • Repeated patterns
  • Deformities

11. They can causes serious human diseases such as

  • Malaria
  • Schistosomiasis
  • TB

12. Flat worms move in a gliding motion, they're carried by

  • Bands of flagella on their dorsal surface
  • Bands of cilia on their dorsal surface
  • Bands of cilia on their ventral surface
  • Bands of flagella on their ventral surface

13. Which of these is not an example of a parasitic flatworm?

  • Flukes
  • Nematode worm
  • Tapeworm