Across
- 2. concluded all animals are composed of cells
- 4. determined cells come only from other cells
- 7. single-celled organism that has neither a distinct nucleus.
- 8. a sphere that contains another sphere called a nucleolus
- 9. concluded all plants are composed of cells
- 13. Controls substances passing in and out
- 14. described his observations as little boxes
- 15. A theory which states that cells are the fundamental units of life
Down
- 1. Elements that life originated from
- 3. semifluid mixture containing cell compon.
- 5. a cell component that performs specific functions in the cell.
- 6. Basic Unit of life
- 10. first person to observe living cells
- 11. genetic information
- 12. cells in which the genetic material is DNA in the form of chromosomes contained within a nucleus