It can blow away valuable top soil from land. Light is another physical condition of the environment that is very important to all living things. The amount of light and how long it is present is very important to living things. Green plants need a certain amount of light every day to make food. Different plants need different amounts of light to produce food.
Plants grow toward the light.
Animals depend on light to guide them. Light direction is important to migrating animals. Many use the length of daylight to tell them the time of year. The amount of light can cause them to migrate or grow heavier or different colored coats. The type of land consists of the type of soil, elevation and shape.