Beets and carrots are the roots of plants. Other plant foods that we enjoy may be the flowers of plants, like broccoli and cauliflower. Fruits like apples, oranges, and bananas are actually trees. So the next time you eat something, think about which part of the plant you are really eating. From cotton plants comes fiber that is used to make cotton, the fabric used to make articles of clothing.
Plants are useful in many ways.
They keep us warm when it is cold. We use plants to supply fuel to heat our homes and cook our food with the wood from trees. Even plants that lived long ago continue to be very important sources of fuel such as coal, oil, and natural gas.