Across
- 2. a group of parts that work together to perform a task
- 3. all of the living and nonliving things that interact in a place
- 6. things that do not need energy, do not grow and do not reproduce
- 8. the shape of plant cells
- 9. the system that has heart, blood, and blood vessels as its parts
- 10. the shape of animal or human cells
- 12. only plant cells have this, it helps give plants their shape
- 13. the control center of the cell
Down
- 1. this system helps give the body shape and hold it up
- 4. things that need energy to grow and reproduce
- 5. this system had lungs and nose as its parts
- 7. all living things are made up of this
- 11. they make food for plant cells and are green