$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.
Assertion and Reason both are correct but not explanation of assertion.
Assertion is correct, but Reason is incorrect.
Both Assertion and Reason are incorrect.
Select the correct option w.r.t. Age pyramids.
When the number of organisms at successive levels are plotted, they assume the shape of a pyramid. This is called the pyramid of
Give scientific reasons : Energy pyramids are never inverted.
The given figure best represents