CBSE Class 3 EVS Chapter 24: Web of Life - NCERT Solutions
This chapter, 'Web of Life,' for CBSE Class 3 EVS, explores the fundamental concept of interdependence among living organisms and their environment. Through engaging activities and illustrations, students will learn how various elements like plants, animals, water, air, and sunlight are connected and essential for survival. The solutions guide students to identify these connections, starting with their own needs and expanding to the broader ecosystem. This chapter helps young learners understand that every component of nature plays a vital role. These NCERT Solutions are designed to reinforce these concepts, making exam revision clear and effective by providing step-by-step guidance on identifying and illustrating these essential links.
Quick info
| Board | CBSE |
|---|---|
| Class | Class 3 |
| Subject | Looking Around (EVS) |
| Session | 2026 |
| Language | English |
| Type | NCERT Solutions |
| Chapter | Chapter 24 |
Chapter summary
Chapter 24, 'Web of Life,' focuses on the interconnectedness of all living and non-living things. Students are guided to understand how they depend on elements like plants, animals, water, air, and the sun for survival. The exercises encourage drawing personal connections within this web of life, reinforcing the idea that every element is linked and necessary for the ecosystem to function. These solutions provide a clear explanation of these relationships.
Learning outcomes
- Understand the concept of interdependence in nature.
- Identify essential elements required for survival (air, water, food, shelter).
- Illustrate connections between oneself and other living/non-living things.
- Recognize the role of plants and animals in the environment.
- Appreciate the 'web of life' and its components.
Topics covered
Paper topics
- Interdependence of living things
- Needs for survival (air, water, food, shelter)
- Role of plants
- Role of animals
- Non-living essential elements
- Ecosystem connections
- Web of Life concept
Important topics
- Understanding the Web of Life
- Essential needs for survival
- Connections between living and non-living things
- The role of plants in the ecosystem
PDF preview
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Questions and Solutions
Question 1
This question encourages you to think about your own needs and how you are connected to the world around you. To answer this, you should first draw a picture of yourself in the given space.
Next, you need to draw lines connecting your picture to the things from the list that you need to survive. Here are some examples of connections you might make:
- Your picture to Plants: You need plants for food (like fruits and vegetables) and the oxygen they produce (air).
- Your picture to Water: You need water to drink and stay healthy.
- Your picture to Air: You need to breathe air to live.
- Your picture to Sun: The sun helps plants grow, which in turn provide us with food and air. It also provides warmth.
- Your picture to Soil: Soil is where plants grow, and it's essential for producing our food.
- Your picture to House: A house provides shelter and protection from the weather.
You might also connect to animals if you eat meat or use them for other purposes, but the most direct and universal connections are to plants, water, and air.
Common mistakes
- Forgetting to include non-living essential elements like air and water.
- Not drawing connections to plants as a primary source of food/oxygen.
- Focusing only on immediate needs without considering the broader ecosystem.
Revision tips
- Review the diagram and ensure all essential connections are drawn.
- Think about how each element supports another in the web of life.
- Practice explaining the connections between different items shown in the picture.
- Consider what would happen if one element was removed from the web.
Practice MCQs
Q1. Which of these is essential for you to live, as shown in the picture?
Explanation: The house provides shelter, which is a basic need for survival, similar to air and water.
Q2. Plants are important because they provide us with:
Explanation: Plants produce oxygen (air) and are a source of food for many living beings, including humans.
Q3. Which of the following is a non-living thing essential for life?
Explanation: Water is a non-living element that is crucial for the survival of all known forms of life.
Q4. The picture shows that a rat is linked to:
Explanation: Rats often eat plants and need water to survive, illustrating their place in the web of life.
Q5. What does the 'Web of Life' concept emphasize?
Explanation: The 'Web of Life' illustrates how all living organisms and non-living elements are linked and rely on each other.
Frequently asked questions
What is the main idea of Chapter 24, 'Web of Life'?
The main idea is to understand how all living things and non-living things in nature are connected and depend on each other for survival.
Why are plants important in the 'Web of Life'?
Plants are crucial because they provide oxygen (air) and are a source of food for many animals and humans. They are the base of many food chains.
What non-living things are essential for life according to the chapter?
Essential non-living things include air, water, sunlight, and soil, which are necessary for plants, animals, and humans to live.
How can I use these NCERT Solutions for revision?
You can use these solutions to review the concepts of interdependence, check your understanding of the connections shown in the picture, and prepare for questions about the 'Web of Life'.
What does it mean to draw lines to things needed for survival?
It means showing how you, as a living being, depend on other things like air, water, food (from plants/animals), and shelter (like a house) to stay alive.
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