Across
- 3. Cells can be broken apart by cell _____________
- 4. The study of processes occurring in living systems
- 5. Dr. R.R.H _________ showed plants had cells
- 8. A cell's organs are called __________
- 10. Jelly-like substance between nucleus & plasma membrane
- 13. Rudolph _______ showed new cells come from existing ones
- 14. The study of biology at the tissue level
- 16. A _________ cell has a true nucleus
- 17. A distinct living being (even bacteria) is an ________
- 18. Our only means of studying organisms from the past
- 20. Robert Hooke gave them their names
Down
- 1. The study of viruses
- 2. A __________ cell has a region called a nucleoid
- 6. The study of organisms and their physical environment
- 7. The limit (power) of a microscope's clarity and detail
- 9. Robert Brown discovered that each cell had this
- 11. The plasma ________ is the cell's outer covering
- 12. All ______ things are composed of cells
- 15. An organ is composed of similar cells called ______
- 19. Schleiden and Schwann proposed the Cell ___
