Across
- 3. spreads fast
- 4. another name form a microorganism
- 6. how many plants and animals are in an area.
- 7. a disease transmitted by contact
- 9. single celled organism that can cause disease
- 12. very small single celled organism
- 14. Things that cause disease
Down
- 1. Mushrooms and molds
- 2. a way a single celled organism reproduces by splitting
- 5. a disease transmitted without contact
- 8. A protein coated shell
- 10. a cell a virus infects
- 11. causes harm to the health to a person, animal or plant
- 12. the study of small living things
- 13. a way for bacteria to move