Question

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.

Answer 1

The correct option is D shorter ears and shorter limbs.

According to Allen's rule, the limbs, ears and other parts of animals and organisms in cold areas are shorter than those in warmer ones. It was stated by Joseph Allen in 1877. Their sizes help them to keep warm and adapt to environmental condition.

So, option D is the correct answer.