Photosynthesis is a process used by plants and some other organisms to convert light energy into chemical energy, primarily in the form of glucose. This occurs in the chloroplasts, where chlorophyll captures sunlight. The overall equation of photosynthesis can be summarized as carbon dioxide and water, using light energy, being transformed into glucose and oxygen. This process not only fuels the plant but also produces oxygen, which is essential for the survival of most living organisms.