Question

D. Answer the following questions in brief.
1. How have 'urbanisation and industrialisation' led to a large scale deforestation?
2. A new species X is introduced in a forest. How is it likely to affect the local
species of the area?
3. What is a Biosphere Reserve? Name two biosphere reserves in India,
4. How does the 'Red data book' help in protecting biodiversity?
5. Why do some birds and animals migrate?
6. How do birds 'get helped' in navigation while undertaking long distance flights?
Distinguish between a National Park and a Wildlife Sanctuary.
3. Answer the following questions.
1. Explain how deforestation can result in droughts and floods.
2. 'Extinction of tiger can destabilise the entire forest ecosystem and result in a
large scale loss of biodiversity.'
Justify this statement,​

Answer 1

Answer:

Urbanisation and industrialisation led to deforestation because the people who are coming from villages want a place to live and for this people cut trees to make their houses and for houses we want more resources and for resources we make industries 3. A biosphere reserve is place where the anilas come and meet. 5. Some birds migrate because where they are living there is no the wheather they want and also for food. 6. Because they have a natural compass in there head.

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Answer 2

Answer:

3.1 ans:Because the trees in the forest cools the vapour present in the clouds