NEET AIPMT SOLVED PAPER SCREENING 2012

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

    A) Energy flow       

    B) Decomposition                

    C) Productivity     

    D)        Stratification

    Correct Answer: D

    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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