Assertion: Population ecology is a link of ecology to population genetics and evolution.
Reason: Natural selection operates at population level to evolve the desired traits.
A. If both Assertion & Reason are true and the reason is the correct explanation of the assertion
B. It both Assertion & Reason are true but the reason is not the correct explanation of the assertion
C. If Assertion is true statement but Reason is false
D. If both Assertion and Reason are false statements