Answer:
Plants
The sun has an extremely important effect on plants. In fact, they cannot live without it, since they use the energy from sunlight for photosynthesis. The process of photosynthesis allows the plant to absorb energy through the chlorophyll in its leaves, which it then converts into food.
Human
Both forms can damage collagen fibers, destroy vitamin A in skin, accelerate aging of the skin, and increase the risk of skin cancers. Excessive sun exposure can also cause cataracts and diseases aggravated by UVR-induced immunosuppression such as reactivation of some latent viruses.