Across
- 2. single celled microorganisms found everywhere and can be either helpful or harmful
- 5. infected
- 7. microorganism that cause diseses
- 8. decrease in size, number, or range
- 11. living organisms that can be either unicellular or multicellular
- 12. a nonliving microorganism that must have a host cell to reproduce
- 13. an outbreak of disease that affects many people in a small area
Down
- 1. a single celled microorganism that has neither a distinct nucleus with a membrane
- 3. when a disease is spread from person to person be close contact
- 4. a treatment to prevent virus diseases
- 6. a highly contagious viral infection of the respiratory passages
- 9. medication against bacteria
- 10. an organism the depends on another living organism to survive in such a way that it harms the host organism
- 14. a global outbreak of disease
