Protists and Bacteria

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Across
  1. 2. a type of consumer bacteria that helps maintain nature's balance
  2. 6. the whip-like tails of bacteria that live in moist conditions
  3. 7. chemicals that limit the growth of other bacteria
  4. 9. rod shaped bacteria
  5. 11. living cells that carry on the processes of life
  6. 12. poisonous substances
  7. 13. an organism that uses oxygen when breaking down food
  8. 15. protists that have characteristics of both plants and animals
  9. 16. sphere shaped bacteria
  10. 17. using organisms to help clean up or remove environmental pollution
  11. 19. changes nitrogen from the air into forms that plants and animals can use
Down
  1. 1. any organism that causes disease
  2. 3. prevents bacterial diseases
  3. 4. are found in freshwater and saltwater
  4. 5. a process of heating food to a temperature that kills most bacteria but causes little change to the taste of food
  5. 8. spiral shaped bacteria
  6. 10. an organism that is adapted to living without
  7. 14. a process that produces two new cells with genetic material identical to each other and that of the original cell
  8. 16. make their own food using carbon dioxide, water, and energy from sunlight
  9. 18. producers use the energy holding molecules of carbon dioxide together and release methane gas as a waste