Structure of an Ecosystem


 
 
Concept Explanation
 

Structure of an Ecosystem

Structure of an Ecosystem:  The term ecosystem was cioined by Sir Arthur Tansley in 1935. Ecosystem is actually a technical term for nature. It can also be defined as self sustaining structural and functional unit of biosphere. An ecosystem consists of two components—the abiotic component (nonliving component) and the biotic component (living component).

Types of ecosystem:  On the basis of nature ecosystem can be calssified as follows:

1. Natural ecosystem: They are ecosystem which develop in nature without the human support. They can be of two types :

  • Aquatic ecosystem : Found in water bodies which may be fresh water or sea water. eg: ponds, lake, rivers.
  • Teresstrial ecosystem:  This ecosystem occurs over land. They are of three types desert grassland and forest .
  • 2. Artificial ecosystem:  They are ecosystems which have been created and are been amaintained by Human beings. These are man made ecosystems.Agroecosystem is largest man made ecosystem.

    Sample Questions
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    Question : 1

    In a food chain total amount of living material is depicted by ___________________

    Right Option : A
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    Question : 2

    A triangular diagram that shows an ecosystem's loss of energy which results as energy passes through the ecosystem's food chain is called ____________________

    Right Option : B
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    Explanation
    Question : 3

    The pyramid that cannot be inverted in stable ecosystem is pyramid of _______________

    Right Option : B
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