Across
- 3. the material within a living cell
- 4. a wall lying outside the plasma membrane
- 5. the brain of the cell
- 7. an action of breathing
- 9. when other organisms use sunlight to synthesise nutrients
Down
- 1. an organelle found in a large number of living cells
- 2. the organelle where photosynthesis occurs
- 3. the membrane surrounding the cytoplasm of a cell
- 6. the basic block of all things
- 8. any number of structures living in a call
