Across
- 2. that act as biological catalysts
- 4. substance that has amino acids
- 5. energy- Living things store energy in molecules
- 8. Materials can be classified based on their physical and chemical properties.
- 11. The study of life.
- 12. A shape or structure.
- 13. the smallest unit of life.
- 15. A community of interacting organisms
- 16. Movement-Glucose moves from plants leave to all of its cells
- 19. Made of cells.
Down
- 1. make their own food.
- 3. mass of organisms in a given area.
- 5. One molecule used for chemical energy.
- 6. pictures of the chromosome.
- 7. - made up of DNA
- 9. respiration- The reactions happen inside of cells
- 10. process in which green plants
- 14. Cells need this energy to move and function.
- 17. Atoms or small molecules.
- 18. - Natural things.