Home Biology Organisms and Populations NCERT Examplar According to Allen's rule, the mammals from …
Biology Organisms and Populations NCERT Examplar Single Correct MCQ
Published on: August 13, 2026

According to Allen's rule, the mammals from colder climates have:

A
Shorter ears and longer limbs
B
Longer ears and shorter limbs
C
Longer ears and longer limbs
D
Shorter ears and shorter limbs

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Text Solution

Verified by Experts
The correct answer is:
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 region. The shorter extremities of mammals in colder region help to minimise heat loss and maintain homeostasis. Rest of the other options does not stand true for Allen's rule.

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