Across
- 4. organisms classified as unicellular
- 7. organizing similar characteristics into groups
- 9. cell function as individual organisms form the what
- 11. a complete living thing is called
- 12. yogurt and your intestine contain useful what
- 13. parts of a cell that act like engines breaking down food releasing energy
- 14. group of cells working together
- 16. developed a system of classification
- 17. helped to form the basis of cell theory
Down
- 1. part of cell that provides support for plant cells
- 2. reproductive cells are called
- 3. uses lenses to magnify objects such as cells
- 5. external boundary for a cell
- 6. bubble like storage organelles found in a cell
- 8. plants use a green pigment from sunlight called
- 10. first to observe and name cells
- 15. organisms grow and replace cells
