Across
- 4. damaged particles from bacteria made to kill bacteria
- 7. plantlike protists
- 10. an organism that uses oxygen when breaking down food
- 12. using organisms to help clean up or remove environmental pollutants
- 14. whip like tails that help bacteria move
- 15. an organism that is adapted to live without oxygen
- 16. any organism that causes disease
- 18. a group of algae that have two flagella
- 20. chemicals that limit the growth of bacteria
- 21. any organism that uses dead organisms as a food and energy source
Down
- 1. bacteria that are often found in extreme conditions
- 2. protists that contian chlorophyll and make their own food
- 3. help change nitrogen from the air into forms that animals and plants can use
- 5. a form of reproduction that requires two parents and produces different genetic material
- 6. protists that have characteristics of both plants and animals
- 8. a one or many celled organism that lives in moist or wet surroundings
- 9. poisonous substances
- 11. a form of reproduction that requires only one parent and produces the same genetic material
- 13. the process of heating up food to kill most bacteria but not change the taste
- 17. tiny swimming organisms that are prokaryotic and live everywhere
- 19. the larger group of the two bacteria kingdoms