According to Allen's rule, the mammals from colder climates have
1. shorter ears and longer limbs
2. longer ears and shorter limbs
3. longer ears and longer limbs
4. shorter ears and shorter limbs
(d) According to Allen's rule, the mammals (endothermal animals) from colder climates or areas show shorter extremities like ears and limbs as compared to the mammals' of warm regions. The shorter extermise of mammals in the colder region helps to minimize heal loss and maintain homeostasis.
The rest of the other options does not stand true for Allen's rule
