Across
- 2. single celled microorganism; often cause disease
- 3. plural form of fungus
- 5. any life form
- 6. used to protect against virulent strains
- 8. simplest form of animal life; animal-like protists
- 10. the aggregation of plants and animals in a particular area
- 11. any organism that causes disease
- 12. sickness
Down
- 1. cleanliness
- 2. how single celled organisms reproduce
- 4. bacteria that harm their host
- 5. branch of biology dealing with bacteria and virus
- 7. genetic material in protein shell
- 9. cells that viruses take over to reproduce
- 13. a tiny reproductive body consisting of one or more cells