photosynthesis vs respiration definition
Photosynthesis converts the light energy obtained from the sun into chemical energy of sugar and oxygen, whereas cellular respiration is a biochemical process by which cells obtain energy from the chemical bonds of food molecules.Photosynthesis and cellular respiration are both key processes for life.ellular respiration is the process used by animals to obtain energy from organic compounds they eat. Difference between Photosynthesis and Cellular Respiration. Both Photosynthesis and Cellular Respiration are processes, which organisms use to obtain energy to sustain life.