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BIODIVERSITY ð
| Question | Answer |
|---|---|
| (a) A place where animals are protected in their natural habitat is called a _________. | Wildlife sanctuary |
| Migratory birds fly to far away places because of _____ changes. | Climate |
| Differentiate between the following: ZOO AND WILDLIFE SANCTUARY | Zoo- It is a facility in which animals are kept for public exhibition. It is an artificial habitat. Wildlife sanctuary - It is an area within which animals are protected from possible dangers such as hunting. Their habitat is also conserved in this area. |
| (f) What do you understand by the term migration? | Migration refers to the movement of an organism or a group of organisms from its natural habitat to another place at a particular time every year. Organisms migrate from one place to another to avoid inhabitable climatic conditions or for breeding. |
| What will happen if the habitat of an animal is disturbed? | If the natural habitat of animals is disturbed or destroyed, natural balance in the ecosystem will get disturbed and many animals will get extinct. The animals will not be able to live freely in their habitat. |
| How does deforestation led to floods on the land? | Deforestation also leads to a decrease in the water holding capacity of the soil. The movement of water from the soil surface into the ground (infiltration rate) is reduced. So, floods can occur due to deforestation. |
| What is the purpose of making national parks, wildlife sanctuaries and forest reserves, botanical garden, etc? | Ans: The purpose of making national parks, wildlife, etc is to conserve and protect the whole ecosystem from exploitation and to protect the ecosystem. |
| Species found only in a particular area are known as ______. | Endemic species |
| Protected forests are also not completely safe for wild animals. Why? | It is a pity that even protected forests are not safe because people living in the neighborhood encroach upon them and destroy them. |
| In order to meet the ever-increasing demand in factories and for shelter, trees are being continually cut. Is it justified to cut trees for such projects? | Yes, cutting trees for shelter and supply in factories is proper and justified. But equal number (or more) of trees should be replanted so that the land remains covered with trees and there is least damage to the environment and natural habitat of wild an |
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Netraa
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