Across
- 1. ____ ____ is a protective layer that covers a cell's surface
- 5. He was the first person to describe cells
- 6. The region enclosed by the cell membrane is the ____
- 11. This is any living thing
- 12. These are organisms that are made up of more than one cell
- 13. This is three characteristics of all cells and organisms ____ ____
- 14. All cells have some parts in ____
- 15. An organism carries out all of its own ____ processes
Down
- 2. All organisms are ____ ____ of cells
- 3. These are organisms made up of one cell
- 4. Cells come from ____ cells
- 7. All organisms are made up of ____ ____ ____
- 8. The cell is the ____ unit of all living things
- 9. A cell is limited in size to its ____ surface area
- 10. This is the smallest functional and structural unit of all living organisms