Across
- 4. cells with no membrane bound structures
- 6. a scientific instrument used to see microscopic images
- 8. study of microorganisms
- 10. an organism made of multiple cells
- 12. microscopic organism
Down
- 1. living thing
- 2. Latin word for chamber
- 3. unable to be seen by the naked eye
- 5. an organism with a single cell in it
- 7. first man to see cells in 1660s.
- 9. cells with membrane bound structures
- 11. building block of life.