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