$A$ : During succession, nutrient availability decreases while biomass level increases.
$R$ : $NCP$ (Net community productivity) remains same during succession.
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.
Primary succession is development of communities on
Mangrove forests are found in
Food chain consists of