Across
- 4. how some single celled organisms reproduce
- 5. simplest kind of life
- 6. harms a persons health
- 7. farming
- 8. total number of living things
- 10. harm the host
- 11. can only be seen with a microscope
- 13. practice of keeping clean
- 14. nonliving disease
Down
- 1. of or relating to
- 2. help prepare to fight diseases
- 3. very small organisms
- 7. can prevent disease
- 9. new organisms produced
- 12. includes multicellular mushrooms