Bacteria and Protists
Across
- 3. bacteria called spirilla
- 6. a long and thin whip like structure used for movement
- 7. bacteria called bacilli
- 9. an organism that uses dead organisms as food and energy sources
- 10. thick walled structures in cells
- 11. any organism that causes disease
- 12. chemicals that limit the growth of other bacteria
- 14. made from damaged particles taken from bacterial cells walls or from killed bacteria
- 17. a process of heating food to a temperature that kills most harmful bacteria
- 19. is a one or many celled organism that lives in moist of wet surroundings
- 20. using organisms to help clean up or remove environmental pollutants
Down
- 1. a process of reproduction that produces two new cells with genetic material
- 2. bacteria that often are found in extreme conditions
- 4. change nitrogen from the air into forms that plants and animals can use
- 5. plantlike protists
- 8. bacteria called cocci
- 13. make their own food using carbon dioxide, water, and energy from sunlight
- 15. an organism that is adapted to live without oxygen
- 16. poisonous substances
- 18. an organism that uses oxygen when breaking down food