Across
- 2. The part of plant cells that makes food using sunlight
- 4. A stiff outer layer in plant cells
- 5. An element found in all living things
- 8. The control center of the cell
- 10. The smallest unit of a living thing
- 13. Power needed for life processes
- 14. A substance that helps living things grow
- 15. A body part made of different tissues
- 16. The part that gives the cell energy
- 17. A living thing
Down
- 1. A liquid all cells need to survive
- 3. A space that stores water and materials
- 6. A gas cells need to make energy
- 7. The thin layer around a cell
- 9. The jelly-like material inside a cell
- 11. A group of organs working together
- 12. A group of similar cells working together