| A | B |
|---|
| photosynthesis | process that changes light energy into chemical energy |
| cellular respiration | process that converts sugar into ATP (energy) |
| ATP | usable energy source in cells |
| photosynthesis equation | carbon dioxide + water + sunlight turns into sugar + oxygen |
| cellular respiration equation | sugar + oxygen turns into ATP + carbon dioxide + water |
| autotroph | makes own food internally |
| heterotroph | gets food from outside source |
| aerobic | metabolic processes that require oxygen |
| anaerobic | metabolic processes that do not require oxygen |
