$A$ : Population ecology is a link of ecology to population genetics and evolution.
$R$ : Natural selection operates at population level to evolve the desired traits.
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.
The niche of a population is defined as
Paleo-ecology is referred as the study of
Ecology is basically concerned with how many basic levels of organisation?
The study of inter-relationship between living organisms and their environment is called
An association of individuals of different species living in the same habitat and having functional interactions is