Which Animal Will Have the Greatest Amount of Brown Fat

Question

Which animal will have the greatest amount of brown fat, relative to its body, at birth?
A) Lamb
B) Piglet
C) Mouse
D) Rat

Accepted Answer

Lambs are born with a significant amount of brown fat to help them regulate their body temperature in cold environments, as they are often born in colder climates and need to generate heat immediately after birth.