Across
- 4. an organelle that breaks down sugars to supply energy
- 6. a unit of length equal to one billionth of a metere
- 7. the smallest unit of life
- 8. the splitting of a cell to form new cells
- 9. a jelly like fluid that fills the space inside a cell
- 10. a large cell that stores excess energy from food
- 11. a long, thin cell that changes shape by contracting
Down
- 1. a unit of equal length equal to one millionth of a metere
- 2. a group of similar cells that work together
- 3. an organelle that absorbs sunlight energy and stores it in sugars
- 5. an organelle that controls a cell's activities
- 7. a rigid structure that protects and strengthens some cells