Cells

4. small structure inside of a cell that helps the cell perform its functions
9. the basic unit of life
10. controls the movement of materials in and out of the cell
12. cell with a membrane-bound nucleus
14. contains DNA used to direct cell activity
15. green pigment in chloroplasts that captures the Sun's energy
16. the more energy a cell needs, the more _____ it has
17. tough, outer layer of a plant cell that gives the plant support and protection
19. location of photosynthesis

1. scientist that concluded that all plants are made of cells
2. cell without a nucleus
3. organisms composed of only one cell
5. all cells are made from _____ cells
6. stores water; large in plants
7. cells combine sugar and _____ to release energy for the cell
8. a _____ cell contains a cell wall, large vacuole, and chloroplasts
11. made of many cells
13. scientist that concluded that all animals were made of cells
18. single-celled organism that can capture and ingest its food from its environment and make its own food through the process of photosynthesis