Across
- 3. some bacteria produce chemicals
- 9. some bacteria like those that botulism can produce thick-walled structures
- 11. without bacteria there would be layers of dead bacteria
- 13. using organism to help clean up or remove environment pollutants
- 15. live together in long chains of filaments
- 16. use energy holding molecules of carbon dioxide together and release methane gas as a vast
- 18. bacteria classified in two kingdoms
- 19. nitrogen from the air into forms that plants and animals can use
- 21. not all bacteria are beneficial
- 22. help maintain nature's balance
- 23. few bacteria cause illness
- 24. a process that reproduces two new cells with genetic material identical to each other
Down
- 1. organism that is adapted to live with no oxygen
- 2. any organism that causes disease
- 4. divided into groups based on where they live and get energy
- 5. bacteria break down substances in milk to make many dairy products
- 6. many industries rely on bacteria to make many products
- 7. consumer bacteria are grouped into one of two categories based on the result of the gram's stain
- 8. organism that uses oxygen when breaking down food
- 10. bacteria usually reproduce by fission
- 12. shows antibiotics at work
- 14. bacteria that live in moist conditions
- 17. some bacterial pathogens produce poisonous substances
- 20. can be made from damaged particles taken from bacterial cell walls or from killed bacteria