$A$ : 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.
Match the following:
Column $- I$ | Column $- II$ |
$(a)$ Organisms | $(i)$ Group of same species individuals |
$(b)$ Populations | $(ii)$ Individuals |
$(c)$ Communities | $(iii)$ Forest, desert, grassland |
$(d)$ Biomes | $(iv)$ Group of many species |
Index of environmental health is determined by the change in the composition of
Smallest unit of ecology is
Ecological equivalents meant for
Paleo-ecology is referred as the study of