Across
- 3. method by which bacteria reproduce
- 7. organism that survives in or on another organism at the expense of its host
- 10. spherical bacteria
- 11. organism made up of many cells
- 14. kingdom that contains bacteria
- 15. invisible to the naked eye, need a microscope
- 16. visible to the naked eye
- 17. occur in vast numbers with many different species
- 19. have membrane-bound organelles and nucleus
- 20. disease-causing micro-organism
Down
- 1. comma-shaped bacteria
- 2. have no true organelles or nucleus
- 4. tail that enables bacteria to move
- 5. spiral-shaped bacteria
- 6. rod-shaped bacteria
- 8. example of bacterial disease
- 9. example of viral disease
- 12. dormant form of a virus
- 13. organism made up of a single cell
- 18. protein coat surrounding virus
