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7. How can you contribute to the maintenance of green wealth of your locality? Make a list of actions to be taken by you.

We can contribute to the maintenance of green wealth of our locality by following ways- By taking cares of plants and trees of our surroundings. We can do more number of planting. To encourage the people of my area to plant more trees by telling them about the importantness of trees. We can aware the young children by telling them the consequences of deforestation and how they affect the...

6.  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? Discuss and prepare a brief report.

No, It is not at all justified to cut trees to meet the ever-increasing demand in factories and for shelter. Forests are the home for many organisms such as wild animals. Basically, forests are home for the wild animals and they provide us a good quality of air as they give out oxygen and absorbs the carbon dioxide from the surroundings. They prevent the excess heating of the atmosphere; also...

5. Answer in brief.

(f) What do you understand by the term migration?

Migration means the movement of a group of an organism from its natural habitat to other places in a particular time of every year. They do migrate because of the climate change in their habitat.

5. Answer in brief.

(e) What is Red Data Book?

A red data book is a source book. This book keeps the record of endangered animals and plants all over the world. This book is maintained by IUCN (international union for conservation of nature and natural resources).

5. Answer in brief.

(d) What are the causes and consequences of deforestation?

 Due to deforestation, there is an increase in temperature and pollution on earth. It increases the level of carbon dioxide in the atmosphere. Groundwater level also gets lowered. deforestation disturbs the balance in nature. If we continue the cutting of trees, rainfall and the fertility of the soil will decrease. More chances of natural calamities like floods and droughts.

5. Answer in brief.

(c) Some tribals depend on the jungle. How?

Some tribals depend on the jungle because they provide them with shelter, food and other requirements like herbs and so many things which are useful for them.

5. Answer in brief. 

(b) Protected forests are also not completely safe for wild animals. Why?

Protected forests are also not entirely safe for wild animals because of the people who live near the jungle are mainly depends on the forests for their food and other requirement purposes. So in this process, some wild animals are getting killed and sell them for their greediness of money.

5. Answer in brief.

(a) Why should we conserve biodiversity?

We should conserve biodiversity because it contains a variety of life forms like plants, wild animals and micro-organism in an area. For survival, All plants and animals depend on each other. If you disturb any one of them, second will affect automatically. Therefore, we need to protect them to maintain the balance in nature.

4. What will happen if. 

(c) the top layer of soil is exposed.

If the top layer of soil is exposed, then it will gradually be exposed to the lower layer of the soil which is mostly rocky and hard in nature. And this is less fertile because it has less humus. If the soil erosion is continuously occurring then the land becomes completely fertile.

4. What will happen if.

(b) the habitat of an animal is disturbed

If the habitat of animals is disturbed, it means their home and foods all are going to have vanished for them. So they start migrating to the land areas for the search of food and shelter, where people live, and this is dangerous for those people. Also, animals can get killed by others. As a result whole ecological system is starting to unbalancing.

4. What will happen if.

(a) we go on cutting trees

If we go cutting the trees, the life of animals and their habitat will get completely vanished. And because of it, the ecological balance is disturbed. Biodiversity of many areas will be destroyed completely. Also global warming increase and due to it, the desertification will happen which lead to soil erosion and also more chance of drought.

3. Discuss the effects of deforestation on the following.

(f) The next generation

Effect of deforestation on the next generation- Deforestation causes many problems such as drought, floods, soil erosion, greenhouse effects and other global issues etc. And after all, the consequences of these will affect the future generation.

3. Discuss the effects of deforestation on the following.

(e) Earth

Deforestation disturbs the whole ecological system. As a result of deforestation, increase in chances of the flood, soil erosion, drought, and desertification increases. Also, increase global warming due to the increase in the level of carbon dioxide. As a result, the total water cycle gets disturbed and also the level of potable water goes down.

3. Discuss the effects of deforestation on the following.

(d) Cities (Urban areas)

Effects of deforestation on cities:  It can increase the chances of natural calamities like a flood or heavy rainfall. Also, it can lead to global warming because of the increase in the level of carbon dioxide in the atmosphere because of vehicular and industrial pollution. Increase in temperature also disturbs the water cycle.

3. Discuss the effects of deforestation on the following.

(c) Villages (Rural areas)

Because of deforestation, in rural areas, the level of groundwater goes down which means access to potable water become difficult. Also, more chance of soil erosion is occurring because plants roots that hold the soil particle together is been removed also the fertility of the soil is decreased.  

3. Discuss the effects of deforestation on the following.

(b) Environment

Due to deforestation, unbalancing is happen between carbon dioxide and oxygen. Also, it affects the climate of the surrounding environment. Global warming is increased because of the increase in the amount of carbon dioxide.

3. Discuss the effects of deforestation on the following.

(a) Wild animals

Due to deforestation, the forests are going to be exterminated and because of that animals are losing their homes as well as their natural habitat. Therefore their populations are going down rapidly.

2. Differentiate between the following.

(d) Flora and fauna

Here is the difference between flora and fauna: Flora Fauna 1. These are living plants from a particular area. 2. sal, teak, jamun, silver ferns are the example of flora. 1. animals living in a particular area 2. barking deer, wolf, cheetah, wild dog are the example of fauna.  

2. Differentiate between the following.

(c) Endangered and extinct species

Here is the difference between endangered and extinct species: Endangered Species Extinct species 1. The species which are going to be extinct or on the verge of becoming extinct. 2. ex- a blue whale 1. Those species which are already gone or no longer exist on earth. 2. ex- dodo  

2. Differentiate between the following.

(b) Zoo and wildlife sanctuary

Here is the difference between zoo and wildlife sanctuary:                  Wildlife sanctuary                             Zoo 1. It is a place where animals are protected from any disturbance and also their habitat is conserved. 2. It provides protection as well as suitable living conditions to wild animals. 1. It is a place where animals are kept for public exhibitions 2. It is an...
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