1. The Process of Photosynthesis
The way plants produce their own food.
NOVA Online | Methuselah Tree | Illuminating Photosynthesis

2. Cellular Respiration Conversion of glucose into energy
High School Biology Resources
Video clip
VCAC: Cellular Processes: Electron Transport Chain: The Movie

3. Cellular Respiration (Aerobic Respiration)
Photosynthesis
Cellular Respiration (Aerobic Respiration)
What do you notice about these two equations?
They are reverse reactions of each other.

4. Fermentation ( Anaerobic Respiration)