Ans. The tropical evergreen forest in Brazil is so enormous that it is like the lungs of the earth.
Ans. Citrus fruits such as oranges, figs, olives and grapes are commonly cultivated in Mediterranean region.
Ans. Tigers, lions, elephants, langoors and monkeys are the common animals of these regions.
Ans. Natural vegetation is generally classified in to three broad categories as follows: Forests, Grasslands and Shrubs.
Ans. Tropical deciduous forests are found in the large part of India, northern Australia and in Central America.
Ans. Seal, walruses, musk-oxen, arctic owl, polar bear and snow foxes are some of the animals found in the polar region.
Ans. There are two main divisions of grasslands: (1) tropical grasslands, and (2) temperate grasslands.
Ans. Anaconda, one of the world’s largest snakes is found in the tropical rainforest. It can kill and eat a large animal such as a crocodile.
Ans. Hardwood trees that are commonly found in tropical deciduous forest are rosewood, ebony and mahogany.
Ans. Mediterranean trees adapt themselves to dry summers with the help of their thick barks and wax coated leaves which help them reduce transpiration.
Ans. The type and thickness of natural vegetation varies from place to place because of the variation in factors such as temperature, moisture, slope and thickness of soil.
Ans. Mediterranean climate is suitable for growing a number of fruits especially citrus because these regions are marked for hot dry summers and mild rainy winters.
Ans. There is a close relationship between height of land and the character of vegetation. With the change in height, the climate changes and that changes natural vegetation.
Ans. Grasslands are called by different names in different parts of the world: - Savanna in East Africa, Campos in Brazil, Llanos in Venezuela, Pampas in Argentina, Prairie in N. America, Veld in S. Africa, Steppe in C. Asia and Down in Australia.
Ans. Chir, pine, cedar are the important variety of trees in these forests. They are tall, softwood evergreen trees. The woods of these trees are very useful for making pulp, which is used for manufacturing paper and newsprint. Match boxes and packing boxes are also made from softwood.
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