question_answer

Heat loss or heat gain is a function of surface area. (i) Small animals in colder areas have large surface area.

(ii) They expend less amount of energy and do not loose body heat.

(iii) Small animals are rarely found in cold regions.

Which of the above statements are correct regarding the function of surface area?

A) Only (i)                                     

B) (ii) and (iii)

C) Only (iii)       

D)                    (i) and (iii)