| __ | 1. | 21% | | A. | ultimate source of energy for most life on Earth |
| __ | 2. | Carbon Dioxide (CO2) | | B. | process by which most plants make their own sugar |
| __ | 3. | Cellular Respiration | | C. | 6CO2 + 6H2O = C6H12O6 + 6O2 |
| __ | 4. | Cellular Respiration formula | | D. | green pigment that gives plants their color |
| __ | 5. | Chlorophyll | | E. | gas released by plants as waste products |
| __ | 6. | Oxygen (O2) | | F. | C6H12O6 + 6O2 = 6CO2 + 6H2O + energy |
| __ | 7. | Oxygen and Nitrogen | | G. | gas released by animals as waste products |
| __ | 8. | Photosynthesis | | H. | when sugars are broken down to release energy |
| __ | 9. | Photosynthesis formula | | I. | Main 2 gases found in air |
| __ | 10. | Sunlight | | J. | amount of oxygen found in air |