Question

Q1. Why do some birds and animals migrate ? Q2.what is a biosphere reserve ?Name two biosphere reserves in India. Q3.How does the Red Data Book help in protecting biodiversity .A new species X is introduced in a forest how is it likely to affect the local species of the area. Q4.Distinguish between a National park and a Wildlife sanctuary. Q5.Explain the differences between extinct endangered species​

Answer 1

Answer:

1. Migration is a process through which animals move from one environment to another for breeding, searching of foods etc. Birds mainly migrate for breeding or in search of food due to environmental factors like weather, season etc. Animals migrate in search for suitable shelter, food and suitable place for breeding.

2. The Indian government has established 18 biosphere reserves to protect larger areas of natural habitat than a typical national park or animal sanctuary, and that often include one or more national parks or preserves, along with buffer zones that are open to some economic uses.

1 1986 Nilgiri Biosphere... Tamil Nadu, Keral...

2 1988 Nanda Devi Biosp... Uttarakhand

3. There are different Red Data Books for plants, animals and other ... 20 A new species X is introduced in a forest. It also helps in monitoring programs on rare and endangered species. It thus helps in protecting the species that are on the verge of extinction .

4. The difference between wildlife sanctuary and national park: Wildlife sanctuary can be understood as the regions where wildlife and their habitat is protected from any disturbance. ... On the other hand, National Parks are highly known preserving the flora, fauna, landscape and historical objects.

5. Extinct species are the organisms that have become extinct either in the wild or completely. An endangered species is a species of organisms facing a very high risk of extinction. They are living today but t heir number has decreased and may become extinct in future.

Explanation:

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