Grasses are the angiosperms that can be seen everywhere such as in forests, grounds, and gardens. Grasses are of various sizes from small to very large as bamboo. These are used as food by grazing animals. Grasses are also used to provide shelter for animals, and also help to protect animals from various enemies. Grasses are also used in constructing various roofs of homes.These are also used to make furniture and also used as food by humans. These grasses are also used to make medicines.