MCQ
$A $ : Ecological pyramids cannot explain all the vital functions of any ecosystem.

$R$ : Pyramids actually does not explain the role of organisms working at more than one trophic levels.

  • Assertion and Reason both are correct and also correct explanation.
  • B
    Assertion and Reason both are correct but not explanation of assertion.
  • C
    Assertion is correct, but Reason is incorrect.
  • D
    Both Assertion and Reason are incorrect.

Answer

Correct option: A.
Assertion and Reason both are correct and also correct explanation.
a
Ecological pyramids assume food chain but actually food web exists.

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