Assertion : Net primary productivity is gross primary productivity minus respiration.
Reason : Secondary productivity is produced by heterotrophs
If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
If the Assertion is correct but Reason is incorrect.
If both the Assertion and Reason are incorrect.
Succession on secondary bare area is
If all the green plants were to disappears from the earth
A natural region characterised by hot summer, warm winter and treeless vegetation
Robert Constanza and his colleagues have put an average price tag....... for ecosystem services
Plants like Rhizophora and Avecennia grow on the sea shores under saline condition. For this they have special roots for respiration which are called