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NEET2012BotanyEcosystemActual

Which one of the following is not a functional unit of an ecosystem?

Options

  1. AEnergy flow
  2. BDecomposition
  3. CProductivity
  4. DStratification

Correct answer

D. Stratification

Step-by-step solution

Vertical distribution of different species occupying different levels is called stratification. It represent the structural unit of an ecosystem. For example, trees occupy top vertical strata or layer of a forest, shrubs the second and herbs and grasses occupy the bottom layers.

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