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12.Ecosystem
medium
$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.
A
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.
Solution
Ecological pyramids assume food chain but actually food web exists.
Standard 12
Biology
