Question

Question 2 Answer the following questions briefly.
(i) Define an ecosystem.
(ii) What factors are responsible for the distribution of plants and animals in India?
(iii) What is a bio-reserve? Give two examples.
(iv) Name two animals having habitat in tropical and montane type of vegetation.

Class 9 - Social science - Natural Vegetation and Wildlife Page 52

Answer 1

i) Ecosystem:

The interdependence and the interrelation between plants and animals along with the physical environment is called an ecosystem. For example: In the ecosystem of a desert, a camel stays easily over there unlike any other animal.
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ii) The factors responsible for distribution of plants and animals in India are:

> Relief:                        > Climate:
a) Land                         a) Temperature
b) Soil                           b) Humidity
                                     c) Preciptation
                                     d) Photo-period 
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iii) Bio-reserves:

A bio-reserves  is an ecosystem with plants and animals of unusual scientific and instinct.

Examples of bio-reserves: Niligiri bio-reserve and Sunderbans bio-reserve.
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iv) Animals having their habitat in montane and tropical types of vegetation are:

> Montane vegetation: Tibetan antelope,Spotted dear and Kashmir stag
> Tropical Evergreen vegetation: Forest bats and sloths
> Tropical deciduous vegetation: Snakes and tortoises