Across
- 1. An organism that lives and feeds off another organism
- 4. _____________ diseases caused by a pathogen
- 6. Can help prevent the spread of germs
- 8. Tiny particles that have their own genetic material but depend on living things to reproduce
- 9. Environmental factors that cause changes in DNA
- 10. Controlled heating of food or beverages to kill bacteria
Down
- 2. Medicine used to kill or slow the growth of bacterial infections
- 3. Drug that destroys viruses or prevents their replication
- 5. Noninfectious diseases are caused by environmental or _________ factors
- 7. Decompose dead plants and animals into materials that other organisms use