Across
- 3. an organis that transmits a disease, parasite, or genetic information from one species to another.
- 6. a microorganism that can cause disease
- 7. a killed or weakened pathogen injected into a person for immunity
- 8. a disease outbreak that has spread across multiple continents or worldwide
- 9. tiny non-living particles that infect cells. Need a host to make more.
- 11. a disease that does not spread person to peron
- 12. a single-celled organisms of the kingdom Protista, such as a protozoan or simple alga.
Down
- 1. a disease outbreak that spreads rapidly in an area.
- 2. single cell organisim that reproduces asexually. Some are helpful and some are harmuful.
- 4. an organism, called the host harms it. It depends on its host for survival.
- 5. a disease that can spread
- 10. any of a group of spores-producing organisms feeding on organic matter, including molds, yeast, mushrooms, and toadstools.