Science

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Across
  1. 3. can be made from damaged particles taken from bacterial cell walls or from
  2. 8. any organism that causes disease
  3. 10. a process of heating food to a temperature that kills most harmful bacteria but causes little change to the taste of the food
  4. 13. a process that produces two new
  5. 14. chemicals that limit the growth of other bacteria
  6. 15. spiral-shaped bacterial cells
  7. 18. whip-like tails to help bacteria move
  8. 19. an organism that is adapted to live without oxygen
  9. 20. any organism that uses dead organisms as food and energy sources
  10. 21. what causes diseases
  11. 22. exist in many shapes and sizes
Down
  1. 1. change nitrogen from the air into forms that plants and animals can use
  2. 2. using organisms to help clean up or remove environmental pollutants
  3. 4. secrete glass-like boxes around themselves
  4. 5. sphere-shaped bacterial cells
  5. 6. with genetic material identical to each other
  6. 7. bacteria pathogens can produce poisonous substances
  7. 9. rod-shaped bacterial cells
  8. 11. an organism that uses oxygen when breaking down food
  9. 12. bacteria
  10. 16. have two flagella
  11. 17. one-or many- celled organism that lives in moist or wet surroundings