Across
- 2. word that means very small
- 4. proposed that all cells come from existing cells
- 5. any living thing
- 7. concluded all plants are made of cells
- 8. observed bark of cork trees, discovered the cell
- 9. smallest unit of an organism
Down
- 1. tool used to observe small things like cells
- 3. concluded all animals are made of cells
- 6. first to observe bacteria
