Final answer:
Photosynthesis can occur under water; aquatic plants and algae have adaptations to use available light at various depths. Factors like light availability, water clarity, and nutrients influence the photosynthetic process in these underwater photosynthetic organisms. Adequate sunlight, carbon dioxide, and water are essential for the production of glucose and oxygen.
Step-by-step explanation:
Yes, photosynthesis can occur under water, as long as light and the correct conditions are present. Underwater photosynthetic organisms, such as algae and certain plants, have adaptations to capture sunlight at various depths. These organisms possess a variety of pigments, allowing them to absorb a wider spectrum of light wavelengths that penetrate the water. The intensity and quality of light decrease with depth due to absorption by water and other materials, which can limit the photosynthetic efficiency of these organisms.
Aquatic photosynthesis is influenced by several factors, including light availability, water transparency, and the presence of nutrients. Sunlight is essential for the process, but in deeper waters, only selected wavelengths, such as blue light, can reach photosynthetic organisms. Therefore, aquatic plants and algae must either float near the water surface or be located in shallow zones where sufficient light is available. Alongside light, carbon dioxide and water are also necessary reactants for photosynthesis. These reactants are converted into glucose, which serves as an energy source for the plant, and oxygen, which is released as a byproduct.