Environmental Sciences | 4. ECOSYSTEM AND BIODIVERSITY by Abraham | Learn Smarter
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Knowledge
4. ECOSYSTEM AND BIODIVERSITY

Ecosystems comprise communities of organisms and their environment, interacting for sustainable development. The chapter discusses the structure, functions, and components of ecosystems, including biotic and abiotic factors, energy flow models, and ecological succession leading to stable communities. It highlights critical interdependencies in food chains and webs, detailing their roles in maintaining ecological balance.

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Sections

  • 4

    Ecosystem And Biodiversity

    Ecosystems consist of interconnected biotic and abiotic components that sustain life through energy flow and nutrient cycles.

    Learning Practice

  • 4.1

    Ecosystem

    An ecosystem is a community of organisms interacting with each other and their environment, comprising both living and non-living components.

    Learning Practice

  • 4.1.1

    Components Of An Ecosystem

    This section explores the two main components of an ecosystem: living and non-living elements, highlighting their interdependent roles.

    Learning Practice

  • 4.1.2

    Energy Flow In An Ecosystem

    Energy flow in an ecosystem describes the unidirectional transfer of energy from the sun to producers and subsequently to consumers, emphasizing its transformation and losses at each trophic level.

    Learning Practice

  • 4.1.3

    Ecological Succession

    Ecological succession is the process by which communities transform over time until a stable ecosystem is formed, influenced by disturbances or the creation of new habitats.

    Learning Practice

  • 4.1.4

    Food Chain, Food Web & Ecological Pyramids

    This section explores the concepts of food chains, food webs, and ecological pyramids, highlighting their roles in ecosystems.

    Learning Practice

References

ch2 part a.pdf

Class Notes

Memorization

What we have learnt

  • An ecosystem consists of bo...
  • The flow of energy in an ec...
  • Ecological succession invol...

Final Test

Revision Tests