Across
- 2. Two or more atoms bound together
- 4. The ability to do work.
- 6. Found only in plant cells, produces energy.
- 9. An essential nutritional compound used to build tissues
- 11. The sequence of energy/matter transfers through food
- 13. the process that turns sunlight into energy in plants.
- 14. The component of air that we need to breathe.
- 16. A substance plants and animals need to live
- 17. A nutritional compound needed for growth
- 18. An organism that creates its own energy
- 19. Passive movement of substances from areas with a high concentration to ones with a low one.
- 20. A green substance found in chloroplasts
- 22. The main compound powering biochemical reactions in cells.
Down
- 1. carbohydrates, protien, and fat.
- 3. The body's preferred source of energy, found in foods like bread and pasta.
- 5. The building blocks of molecules, found in the periodic table.
- 7. The forced movement of solvent particles through a semipermeable membrane.
- 8. A simple sugar found widely in nature
- 10. Holds atoms together
- 12. An organism that gets energy by eating other organisms
- 15. a type of energy used in photosynthesis
- 21. Fatty acids, cannot dissolve in water but can in organic solvents.