Across
- 10. Macromolecule that is made up of the elements C, H, O, N
- 12. An organism that cannot make its own food.
- 13. An organism that makes its own food.
- 15. Gas needed as a reactant/input for cellular respiration
- 16. What the N stands for in CHON
- 17. The process in which some organisms use water and carbon dioxide to make their own food.
- 19. A sugar that is the major source of energy for the body.
- 20. This process requires oxygen and creates energy. 2 wds
- 21. A structure in the cells of plants and some other organisms that captures energy from sunlight and uses it to produce food.
- 23. Cellular respiration __________ the amount of carbon in the air
- 25. Layer of Earth that is made up of water
Down
- 1. What the H in H2O means
- 2. Photosynthesis ___________ the amount of carbon in the air
- 3. Macromolecule nutrient group that includes things like sugars and starches
- 4. What the C in CO2 means
- 5. A gas that is used as an input/reactant in photosynthesis and product for respiration
- 6. Glucose molecules are the building blocks of this macromolecule
- 7. Rod-shaped cell structures that convert energy in food molecules to energy the cell can use to carry out its functions.
- 8. A liquid input/reactant for photosynthesis and output for respiration
- 9. Plants remove CO2 from this Earth layer during photosynthesis
- 11. The building blocks of proteins
- 14. Layer of Earth that includes all living things
- 18. Energy that drives photosynthesis.
- 22. Cellular energy and is short for Adenosine Triphosphate.
- 24. Nucleic acids like RNA and DNA are made of these 5 elements