$A$ population is
$A$ group of organisms of one species occupying a defined area
$A$ group of organisms of different species occupying a defined area
$A$ group of organisms of different species occupying different geographical area
$A$ group of sexually isolated organisms occupying a defined area
Definitions / Explanation : Ecotype
Index of environmental health is determined by the change in the composition of
Community is
$I.$ Group of independent, interacting populations of same species
$II.$ Group of independent and interacting populations of same species in specific area
$III.$ Group of independent interacting populations of different species in a specific area
$IV.$ Group of independent and interacting populations of different species in different area
Select the correct option
Ecological equivalents meant for
Define self sustainability.