Question

According to Allen's rule, mammals in cold regions have ........... to conserve body heat.

• A. Smaller extremities (legs, tails and ears)
• B. Longer extremities
• C. Larger body mass
• D. Smaller body mass

Answer 1

The correct option is A Smaller extremities (legs, tails and ears)

The principle of Allen's rule describes that the organisms undergo changes and adaptations depending on the environmental and geographical conditions. The organism when introduced to a stressful climate, the organisms develop certain features which will allow them to survive. They have small ears and limbs to prevent loss of heat. This property of the warm and cold-blooded organisms was observed and stated in Allen's rule.

Thus, the correct answer is option A.