Final answer:
Photosynthesis is the process of plants converting light energy into chemical energy to produce glucose. It is essential for sustaining life on Earth and produces oxygen as a byproduct. The main structures involved in photosynthesis are chloroplasts.
Step-by-step explanation:
Photosynthesis is the process by which plants and some other organisms convert light energy into chemical energy in the form of glucose. This process is essential for sustaining life on Earth as it produces oxygen as a byproduct, which is necessary for the survival of most living organisms. The reactants of photosynthesis are carbon dioxide and water, while the products are glucose and oxygen. The main structures involved in photosynthesis are the chloroplasts, which contain chlorophyll, the pigment that absorbs light energy. The chloroplasts are found in the cells of plant leaves.