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5, z, 5. chinook, 2, 4, , , , , , ; 1. mahogany, rosewood, 3. gorillas, orangutans, 5. motorboats, snow scooters, a climate of the equatorial rainforests is hot and humid, with no seasonal vari, The region receives heavy and well-distributed rainfall throughout the year. 4 ce, 2. Equatorial rainforests have four layers of vegetation. <7 aa, , ° i emergent layer is the top layer with towering trees. Many birds make their home, ere., , . Bedouin, Tuaregs, . prairies, steppes cs ae, , ens, , ¢ The second layer, canopy, forms a roof over the two remaining layers. It is a maze, of leaves and branches. The thick layer of leaves prevents the sunlight from filtering, through to the ground., ¢ The understorey is the third layer, consisting of the trunks of the canopy trees. Small, trees, shrubs, ferns and creepers grow here., ¢ The lowest layer is the forest floor which is covered with the fallen leaves and fruits., Most plants that grow here have very large leaves. :, 3. The vegetation of the equatorial rainforests has significant features., © The trees in equatorial rainforests shed their leaves at different times of the year and, the forests appear to be green all year long. This is why these forests are also known as, evergreen forests., * These forests have tall trees with broad leaves and thick trunks., ¢ The equatorial forests have four layers of vegetation—emergent layer, canopy,, understorey and forest floor. :, ¢ The equatorial rainforests are famous for hardwood trees such as mahogany, ebony, and rosewood. Cinchona and rubber trees are also found here., 4, Temperate grasslands lie between the Tropic of Cancer and the Arctic Circle in the north, and between the Tropic of Capricorn and the Antarctic Circle in the south. They are, located between 25° and 55° latitudes north and south of the Equator., Deserts are mostly inhabited by nomadic groups. The Bedouin of Arabian, rth Africa and the Tuaregs of Sahara Desert are major groups. Their «