Chapter 21 crossword puzzle

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Across
  1. 3. Domain
  2. 5. Mushroom
  3. 7. Domain
  4. 11. Shape of coccus
  5. 12. building blocks
  6. 13. protein coat
  7. 14. What cell wall are made of
  8. 15. Air pollution
  9. 18. Desiease
  10. 19. Desieas
  11. 20. Non living
Down
  1. 1. Shape of corkscrew shaped
  2. 2. fission. How prokaryotes reproduce
  3. 4. recycling
  4. 6. Domain
  5. 8. Fungus
  6. 9. Mutation
  7. 10. Infection
  8. 16. living not alive
  9. 17. bacteria