$A$ : Agriculture and aquacultures are man maintained ecosystems.
$R$ : All biotic and abiotic factors are managed by humans in these ecosystems.
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.
Stratification is more pronounced in
Ecosystem may be defined as
Explain structure and functions of Ecosystem.
Ecosystem has two components
The importance of ecosystem lies in