Forest The forests of Earth are home for thousands of varieties of plants and animals. Forest provides food, lumber, oils and even medicines. They are also sources of water. They are useful. very However, they are destroyed for the need of lumbers and cleared for farmland.Nowadays it is easily of being flooded because of large scaledefo tation The Earth, actually, is composed of forests which is about of the Earth's land surface. Two main kinds of forest grow in temperate regions are: 1.deciduous forests 2.coniferousforests Deciduous forests mainly containing hardwood species such as oak, birch etc, they broad are leafed trees. The deciduous forest is rich and highly productive. They lose their leaves in fall. Coniferous forests grow in colder climate. They are forests of softwood such as pine and fir. Conifers are trees with needlelike leaves and cones. They are evergreen.