Worms! Crossword Puzzle

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Across
  1. 4. A very common flatworm is called a ____ (desk appliance worm).
  2. 5. Nematoda have ____ nervous systems
  3. 6. All worms have a ____.
  4. 8. Roundworms have the first ____ digestive system.
  5. 11. There are ____ number of worm phylums.
  6. 12. Earthworms can ____ to heal.
  7. 15. Flatworms have a body cavity called ____.
Down
  1. 1. Flatworms are generally ____ (bad for you).
  2. 2. Worms in the Annelida phylum have ____ symmetry
  3. 3. A heartworm is part of the phylum ____.
  4. 7. Earthworms eat ____
  5. 9. ____ worms have an incomplete nervous system
  6. 10. Platyhelminthes are ____ worms
  7. 13. Annelida phylum worms have a ____ circulatory system
  8. 14. Early bird gets the ____ (type of worm).