Protists and Bacteria

2. a type of consumer bacteria that helps maintain nature's balance
6. the whip-like tails of bacteria that live in moist conditions
7. chemicals that limit the growth of other bacteria
9. rod shaped bacteria
11. living cells that carry on the processes of life
12. poisonous substances
13. an organism that uses oxygen when breaking down food
15. protists that have characteristics of both plants and animals
16. sphere shaped bacteria
17. using organisms to help clean up or remove environmental pollution
19. changes nitrogen from the air into forms that plants and animals can use

1. any organism that causes disease
3. prevents bacterial diseases
4. are found in freshwater and saltwater
5. a process of heating food to a temperature that kills most bacteria but causes little change to the taste of food
8. spiral shaped bacteria
10. an organism that is adapted to living without
14. a process that produces two new cells with genetic material identical to each other and that of the original cell
16. make their own food using carbon dioxide, water, and energy from sunlight
18. producers use the energy holding molecules of carbon dioxide together and release methane gas as a waste