give reason
1. Biosphere reseve is a boon for plant and animals.
2. Desert are formed due to deforestation.
3. Migratory birds leave their place at particular time duration and migrate to other places.
Answers
Answer:
Ans. (a) Biodiversity is conserved, to save them from extinction.
(b) The protected forests are not also safe completely for wildlife because the poaching takes place at large scale in these areas. The poachers kill wild animals in those protected areas.
(c) Some tribals depend on jungle for their food, cloths, shelter and other requirements.
(d) Deforestation is caused due to urbanisation and industrialisation.
Deforestation is responsible for desertification and natural calamities. Many species of plants and animals are destroyed due to deforestation.
(e) Red Data Book is the record book and source book of all the endangered animals and plants.
(f) Periodical movement of a species of birds from their native place to other places due to changes in climate is called migration. The purpose of migration is for breeding and to enjoy long summer days.