Across
- 3. attached to some prokaryotic cells
- 7. first to name the cell
- 8. explains what we know about cells
- 9. discovered plants are made of cells
- 11. in both cells, jellylike substance
- 13. discovered bacteria
- 15. an example of a prokaryote
- 17. in both cells, controls what comes in and out
- 19. cell with a nucleus
- 20. organisms that are eukaryotic
- 21. discovered cells come from living cells
Down
- 1. smallest unit of life
- 2. only eukaryotes can be this
- 4. organisms that are eukaryotic
- 5. cell with no nucleus
- 6. tool invented by Hooke
- 10. word used to describe eukaryotes
- 12. discovered animals are made of cells
- 14. describes all prokaryotes & some eukaryotes
- 16. found in both cell types
- 18. needed by both cells