Across
- 4. Structure made of different tissues working together.
- 5. An individual living thing.
- 7. Group of similar cells working together.
- 9. Biological catalyst that speeds up reactions.
- 10. Cell structure that contains cell sap in plants.
Down
- 1. Molecule made from amino acids.
- 2. Adapted to carry out a specific function.
- 3. Maintenance of a stable internal environment.
- 6. Rigid layer supporting plant cells.
- 8. Describes a membrane that allows substances to pass through.