| A | B |
|---|
| Photosynthesis | Process by which light energy is converted to chemical energy. |
| Autotrophs | Organisms that use light energy to make their own food |
| Heterotrophs | organisms that get energy from the prepared food. |
| cellular respiration | Process of releasing energy from food. |
| pigments | structures containing light absorbing substances. |
| chlorophyll | Pigment involved in photosynthesis. |
| Carotenoids | pigments that produce yellow and organge color of the food |
| carbon dioxide fixation | The transfer of carbon dioxide to organic compounds. |
| Calvin Cycle | Series of chemical reactions that produces a three carbon sugar |
| Aerobic | Metabolic process that require oxygen. |
| Anaerobic | Metabolic process that do not require oxygen |
| glycolysis | anaerobic breakdown of glucose into pyruvic acid. |
| fermentation | Incomplete breakdown of sugar into lactic acid or alcohol. |
