Comment on the following figures : $\rm {I,\,II}$ and $\rm {III}$ : $\rm {A, \,B, \,C, \,D, \,G, \,P, \,Q, \,R,\,S}$ are species

Warm blooded animals like mammals from colder climates generally have shorter ear and limbs. This is an explanation of

Loss of upper fertile layer of soil is known as

Plants which produce characteristic pneumat­ ophores and show vivipary belong to

$A$ : Holistic approach explains the environmental interactions.
$R$ : All environmental factors are integrated with no limits of time and space.