Across
- 1. uncontrolled cell division
- 4. uniform mixture of substances
- 8. controls what goes in and out of cell
- 11. organisms that eat dead materials for energy
- 13. consumers that eat only meat
- 16. amount of energy needed for a chemical reaction to start
- 18. repeated pattern of growth and cell division
- 19. process by which sunlight is converted to chemical energy in plants
- 20. macromolecule that holds DNA
Down
- 2. cell where photosynthesis occurs
- 3. organisms that produce their own food
- 5. consumers that eat only plants
- 6. substances changed in a chemical reaction
- 7. a section of DNA with info for making a protein
- 9. molecule that stores energy for cell functions
- 10. organisms that eat others for energy
- 12. consumers that eat meat and plants
- 14. catalyst that speeds up chemical reactions
- 15. need of an organism to stay stable with help of cells
- 17. substances made in a chemical reaction