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