$A$ : Successional process starts only in those areas, where no living organisms ever existed.
$R$ : These areas are not supported by physical environmental conditions.
Assertion and Reason both are correct and also correct explanation.
Assertion and Reason both are correct and also correct explanation.
Assertion is correct, but Reason is incorrect.
Both Assertion and Reason are incorrect.
The maximum biomagnification would be in which of the following in case of aquatic ecosystem
In relation to Gross primary productivity and Net primary productivity of an ecosystem, which one of the following statements is correct$?$
Moderate rainfall during summer
Chapparal occurs in area
Plants capture only....... percent of the $PAR.$