Across
- 1. - An organism that absorbs nutrients from the environment.
- 7. - Single-celled organisms that lack a nucleus; prokaryotes
- 11. - An organism invisible to the naked eye (microorganism), especially one that causes disease; germ
- 12. - An epidemic that occurs over a wide geographic area and affects a very high proportion of the population.
- 13. - A disease that cannot spread from one individual to another, like cancer or diabetes
- 14. - The sudden rise in the incidence of a disease, especially a harmful one
- 15. - an organism that transfers disease to another organism
Down
- 2. - A disease that is caused by a pathogen and that can be spread from one individual to another.
- 3. - one-celled organisms that are more complex than bacteria
- 4. - A form of an antigen that gives you immunity against a disease
- 5. - A widespread occurrence of an infectious disease in a community at a particular time.
- 6. - An organism that lives on or in an organism of another species and negatively affects the hosts' health
- 8. - A tiny, nonliving particle that invades and then reproduces inside a living cell.
- 9. - mechanisms that spread disease without getting sick itself; ex: mosquitoes, rats
- 10. - A microbe that has the potential to cause disease, such as bacteria, protozoa, fungi or viruses.
