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 |
$a-ii, b-i, c-iv, d-iii$
$a-i, b-ii, c-iv, d-iii$
$a-iii, b-iv, c-ii, d-i$
$a-iv, b-iii, c-ii, d-i$
Which is the correct order of ecological hierarchy?
$A$ population is
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
Index of environmental health is determined by the change in the composition of
Smallest unit of ecology is