Which of the following component is not a part of the ecosystem?

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SSC CHSL Memory Based Test (Held on: 17 August 2023 Shift 1)
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  1. Soil
  2. Algae
  3. Plastic 
  4. Rainfall

Answer (Detailed Solution Below)

Option 3 : Plastic 
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Detailed Solution

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The correct answer is Plastic.Key Points

  • All organisms such as plants, animals, microorganisms, and human beings as well as the physical surroundings interact with each other and maintain a balance in nature.
  • All the interacting organisms in an area together with the non-living constituents of the environment form an ecosystem
  • Thus, an Ecosystem can be defined as ''An ecosystem is the basic ecological unit in which living organisms interact among themselves and with their surrounding physical environment''.
  • An ecosystem consists of biotic components comprising living organisms and abiotic components comprising physical factors like temperature, rainfall, wind, soil, and minerals.
  • Plastic is neither an abiotic component nor an abiotic component hence, it is not a part of the ecosystem.

Important Points

  • The term ecosystem was proposed by Sir A.G. Tansley in the year 1935.
  • The entire biosphere is referred to as a global ecosystem.
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