energy transformation

1. Transformation The process of converting one form of energy into another
4. The process by which plants make food using sunlight, carbon dioxide, and water
7. A gas that is produced by plants during photosynthesis and used by animals during respiration
11. Respiration Respiration that requires oxygen to produce energy
13. The primary source of energy for photosynthesis
14. Dioxide A gas that plants use in photosynthesis to make food
15. The green pigment in plants that absorbs light energy for photosynthesis
16. Organisms that make their own food using light or inorganic substances
18. A molecule that stores and transfers energy within cells
20. Respiration Respiration that occurs without oxygen

2. The process by which cells break down glucose and other molecules to release energy
3. A substance that is essential for both photosynthesis and respiration
5. Organisms that obtain energy by consuming other organisms
6. The organelle in plant cells where photosynthesis happens
8. A simple sugar that provides energy for living organisms
9. Respiration The process by which cells use oxygen to break down food and release energy
10. What living organisms need to do work and carry out activities
12. The organelles where energy is produced in cells
17. The product of photosynthesis that provides energy for plants and animals
19. Cells Cells that contain chloroplasts and perform photosynthesis