1ab/2ab

12345678910
Across
  1. 4. Structure made of different tissues working together.
  2. 5. An individual living thing.
  3. 7. Group of similar cells working together.
  4. 9. Biological catalyst that speeds up reactions.
  5. 10. Cell structure that contains cell sap in plants.
Down
  1. 1. Molecule made from amino acids.
  2. 2. Adapted to carry out a specific function.
  3. 3. Maintenance of a stable internal environment.
  4. 6. Rigid layer supporting plant cells.
  5. 8. Describes a membrane that allows substances to pass through.