CBSE 10 Science | 13. Our Environment by Pavan | Learn Smarter
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13. Our Environment

The chapter explores the interconnections within ecosystems and the impact of human activities on the environment. It delves into the roles of producers, consumers, and decomposers while highlighting the importance of maintaining a balanced ecosystem. Additionally, it examines the issues of ozone layer depletion and waste management, emphasizing the significance of biodegradable and non-biodegradable waste on environmental health.

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Sections

  • 13

    Our Environment

    The section explores the concept of ecosystems and the interactions between living organisms and their environment.

  • 13.1

    Eco-System - What Are Its Components?

    The section provides insights into the components of ecosystems, explaining the interactions between living organisms and their physical environment.

  • 13.1.1

    Food Chains And Webs

    Food chains and webs illustrate the flow of energy in ecosystems through various trophic levels.

  • 13.2

    How Do Our Activities Affect The Environment?

    This section discusses the impact of human activities on the environment, including pollution, ecosystem interactions, and the importance of different organisms within food chains.

  • 1.3.2.1

    Ozone Layer And How It Is Getting Depleted

    The ozone layer is crucial for shielding Earth from harmful ultraviolet radiation, but its depletion, primarily due to human-made chemicals, poses significant environmental threats.

  • 13.2.2

    Managing The Garbage We Produce

    This section discusses the types of waste we produce, their effects, and the importance of managing garbage to protect the environment.

  • 13.3

    Questions

    This section discusses trophic levels and the roles of decomposers in ecosystems.

  • 13.4

    What You Have Learnt

    The section summarizes key concepts related to ecosystems and their interdependence, including energy flow, the role of decomposers, and environmental impacts from human activities.

  • 13.5

    Exercises

    This section covers exercises related to environmental ecosystems, focusing on the interactions among organisms and the impact of human actions on the environment.

Class Notes

Memorization

What we have learnt

  • The various components of a...
  • The producers make the ener...
  • There is a loss of energy a...

Final Test

Revision Tests

Chapter FAQs