1. (i) We have selected our crops from the reserve of edible plants from a biodiverse environment. (ii) We have also experimented and selected many medicinal plants. (iii) The animals Were selected from large stocks to serve as milch animals. (iv) They also provided us draught power, transportation' meRead more

    (i) We have selected our crops from the reserve of edible plants from a biodiverse environment.
    (ii) We have also experimented and selected many medicinal plants.
    (iii) The animals Were selected from large stocks to serve as milch animals.
    (iv) They also provided us draught power, transportation’ meat and eggs’
    (v) The fish provide nutritive food.
    (vi) Many insects help in pollination of crops and fruit trees’
    Every species has a role to play in the ecosystem’

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  2. The common animals found in these forests are the Kashmir stag, spotted dear, wild sheep, jack rabbit, Tibetan antelope, yak, snow leopard, squirrels, shaggy horn wild ibex, bear and rare red panda, sheep and goats with thick hair

    The common animals found in these forests are the Kashmir stag, spotted dear, wild sheep, jack rabbit, Tibetan antelope, yak, snow leopard, squirrels, shaggy horn wild ibex, bear and rare red panda, sheep and goats with thick hair

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  3. In mountainous areas, the decrease in temperature with increasing altitude corresponding change in natural vegetation. (i) The foothills of the Himalayas -Shiwaliks have tropical moist deciduous flora. Sal and bamb00 are important trees up to 1,O00 m in height. (ii) They are followed by the wet hillRead more

    In mountainous areas, the decrease in temperature with increasing altitude corresponding change in natural vegetation.
    (i) The foothills of the Himalayas -Shiwaliks have tropical moist deciduous flora. Sal and bamb00 are important trees up to 1,O00 m in height.
    (ii) They are followed by the wet hill forests. They lie between about 1,000 to 2,000 mts. Important trees are oak, chestnut, ash, birch, etc.
    (ii) Between 1,500 and 3,300 m above sea level, there occur the well- known coniferous forests. Pine, deodar, silver fir, spruce, etc., are some leads to dominant trees.
    (iv) Above the coniferous forests lie the alpine forests at an altitude of about 3,600 m. Important trees are silver fir, pine, birch, etc.

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  4. Moist Deciduous Forests:- (i) They are found in areas where rainfall is between 100 to 200 cm. (ii) They Cover the eastern slopes of the Western Ghats, Shiwaliks, Chotanagpur plateau, etc (iii) They Provide better and more valuable umber. (iv) Examples: Teak and sal trees and bamboo, shisham and sanRead more

    Moist Deciduous Forests:-
    (i) They are found in areas where rainfall is between 100 to 200 cm.
    (ii) They Cover the eastern slopes of the Western Ghats, Shiwaliks, Chotanagpur plateau, etc
    (iii) They Provide better and more valuable umber.
    (iv) Examples: Teak and sal trees and bamboo, shisham and sandalwood
    Dry Deciduous Forests
    (i) They are found in areas of lower rainfall i.e. 70 to 100 cm.
    (ii) They cover rainier parts of the Deccan plateau and the western Ganga plains.
    (iii) They are less important for commercial exploitation.
    (iv) Examples: Sal is the most important tree and others are peepal and neem.

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  5. l. Temperature (i) The temperature along with humidity in the air and precipitation affects the vegetation. (ii) The fall in temperature affects the types of vegetation and its growth. 2. Photoperiod (Sunlight) (i) The variation in duration of sunlight at different places is due to differences in laRead more

    l. Temperature
    (i) The temperature along with humidity in the air and precipitation affects the vegetation.
    (ii) The fall in temperature affects the types of vegetation and its growth.
    2. Photoperiod (Sunlight)
    (i) The variation in duration of sunlight at different places is due to differences in latitude, altitude, season and duration of the day.
    (ii) Due to longer duration of sunlight, trees grow faster in summer
    3. Precipitation
    (i) In India, the entire rainfall is brought in by the advancing south west monsoon and retreating northeast monsoon.
    (ii) Areas of heavy rainfall have more dense vegetation as compared to other areas of less rainfall.

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