Ecological hierarchy comprises, which of the following sequence
Population $\rightarrow$ Species $\rightarrow$ Community $\rightarrow$ Ecosystem $\rightarrow$ Biosphere
Species $\rightarrow$ Population $\rightarrow$ Community $\rightarrow$ Ecosystem $\rightarrow$ Biosphere
Species $\rightarrow$ Population $\rightarrow$ Biosphere $\rightarrow$ Community $\rightarrow$ Ecosystem
Species $\rightarrow$ Population $\rightarrow$ Biosphere $\rightarrow$ Ecosystem $\rightarrow$ Community
Define self sustainability.
Habitat together with functions of species constitute its
Father of Indian ecology is
$A$ : Population ecology is a link of ecology to population genetics and evolution.
$R$ : Natural selection operates at population level to evolve the desired traits.
Study of environment and animals relation