Question

5. Short type of questions:

a) What is deforestation? State the reason of deforestation?

b) What is the difference between zoo and wildlife sanctuary?

c) What is migration? What are the problems faced by the migratory birds during migration?

d) How does deforestation differ from reforestation? State the careness which is taken by us after reforestation?

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Answer 1

1. Direct causes of deforestation are agricultural expansion, wood extraction (e.g., logging or wood harvest for domestic fuel or charcoal), and infrastructure expansion such as road building and urbanization.

2. The main difference between zoos and sanctuaries is how they acquire their animals. A zoo might buy, sell, breed, or trade animals, or even capture animals from the wild. ... A sanctuary also does not capture animals from the wild but acquires only animals who can no longer survive in the wild.

3. The most common and often deadly threats to migratory birds include exhaustion, starvation, attack of predators, and running into natural disasters like hurricanes, flood, thunder storms and wildfires. Many times, it is sheer inexperience of the young birds that adds to their woes.

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Answer 2

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(a.) Deforestation is the removal of a forest and then converted to a nonforest use. The conversion of forestland include the farms, ranches, or urban use.

Causes of Deforestation

• Mining. The increase of mining on tropical forests is furthering damage due to the rising demand and high mineral prices. ...
• Paper. ...
• Overpopulation. ...
• Logging. ...
• Climate Change.

b.) Wildlife sanctuaries are the natural habitats of animals where poaching or capturing of animals is strictly prohibited. Harvesting and other man activities are allowed as long as they don’t interfere with well being of animals. Zoos are the artificial habitats of animals wherein animals are conserved for public view. Wildlife sanctuaries cover a large geographical area as compared to that of zoo.

c.) The seasonal movement of a complete population of animals from one area to another. Migration is usually a response to changes in temperature, food supply, or the amount of daylight, and is often undertaken for the purpose of breeding. Mammals, insects, fish, and birds all migrate.The most common and often deadly threats to migratory birds include exhaustion, starvation, attack of predators, and running into natural disasters like hurricanes, flood, thunder storms and wildfires.

(d.) Deforestation is the cutting down of trees in a large scale.

Reforestation is the replanting of trees where once the place was covered with trees.

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