Give scientific reasons : The thermoregulation more effectively achieved in larger animals than in smaller ones.
Removal of soil by the action of wind and water is known as
Why mammals of the colder region generally have shorter ears and limbs?
$I.$ To minimize their surface volume ratio
$II.$ To minimize heat loss
$III.$ To maximize their surface volume ratio
$IV.$ To maximize heat loss
Choose the correct combination from the given option
Altitude sickness which includes nausea, fatigue and heart palpitations occurs due to
The organism which tolerate wide range of salinity called ...$A$...
$II.$ The organism which tolerate narrow range of salinity called ...$B$...
Choose the correct option for $A$ and $B$