Compare and contrast the roles of photosynthesis and respiration in providing energy to a plant.

2 ways alike: both photosynthesis and respiration occur in organelles of plant cells. both involve the flow of electrons through the cell membrane in order to harvest energy.

2 ways they are different: Respiration produces energy, where as Photosynthesis requires energy Photosynthesis takes place in chloroplasts, respiration takes place in mitochondria.