Question

The ecological rule which suggests that animals have short and small extremities in colder regions is

• A. Bergman's rule
• B. Blackman's rule
• C. Allen's rule
• D. Cope's rule

Answer 1

The correct option is C Allen's rule

Allen's rule was given by Joel Asaph Allen in 1877. The rule says that the body shapes depends on the climatic temperature by either minimizing exposed surface area to minimize heat loss in cold climates or maximizing exposed surface area to maximize heat loss in cold climates or maximizing exposed surface area to maximize heat loss in hot climates. Thus, the animal who lives in the colder region has short body shape with thick outer covering or skin.