Across
- 5. breathing in oxygen and out CO2
- 6. groups of the same organisms living together
- 8. the powerhouse of the cell
- 9. a protective coating of fat
- 11. containing carbon, hydrogen, and oxygen
- 14. C1, H2, and O1
- 15. combination of organisms in physical environment
- 16. made of amino acids
Down
- 1. the control center of the cell
- 2. convert carbs to other molecules
- 3. proteins that carry out chemical reactions
- 4. hereditary molecule
- 7. the act of converting sunlight into food
- 10. site of photosynthesis
- 12. either uni or multicellular organisms
- 13. unicellular organisms
- 14. basic unit of life
