Activity 7.4 Class 8 Science Chapter 7 Solution

 Activity 7.4 Class 8 Science Chapter 7 Solution Conservation of Plants and Animals

In this post, you will find NCERT Science Class 8 Chapter 7 Conservation of plants and animals Activity solutions.  Class 8 science chapter 7 consists of NCERT Activity 7.4 Class 8 Science Explanation with a conclusion.

NCERT Activity 7.4 Class 8 Science Explanation with a conclusion

You are suggested to study NCERT activity 7.4 class 8 science explanation with a conclusion so that you can attempt questions based on activity 7.4 class 8 science.

Activity 7.4 Class 8 Science

    ·     List the factors disturbing the biodiversity of your area. Some of these factors and human activities may disturb biodiversity unknowingly.

   ·     List these human activities.

   ·      How can these be checked?

   ·     Discuss in your class and write a brief report in your

notebook.

Explanation of Activity 7.4 Class 8 Science

Biodiversity: - All living beings on the earth which includes the smallest bacteria and largest plants and animals called biodiversity. Around 1.6 million species have been identified so far but there are others which yet to be known.

Biodiversity means a variety of life in a particular area and these species interact with each other.

Biodiversity maintains ecosystems on the earth.

 

Factors affecting biodiversity

 

There are many factors that affect the biodiversity of an area that includes natural and man-made.

Natural factors do not affect the biodiversity of an area so much but human activities affect so adversely.

Following are the human activities: -

1. Large land areas are used to grow food and these forests are cut.

2. Overfishing and overhunting also cause lose of species.

3. Pollution produced by human activities affect the environment and this affects biodiversity.

4. Growing demand for natural resources due to population increase and this causes over-exploitation of natural resources.

5. Natural habitats are being used for agriculture, industrial infrastructure, and others.

6. Use of pesticides and fertilizers over the years damage the fertile land which leads to loss of biodiversity.

So these are the main human activities that cause the loss of biodiversity.

Related Topics 

1. Activity 7.5

2. Activity 7.3