What kind of animals conserve energy with their hair or fur?
fur bears mammals sweating frogs cactus goats humans
A B C D E F G H
Basically, heat is energy.
Mammals conserve energy with their hair or fur.
What kind of animals conserve energy with their hair or fur? (A) fur (B) bears (C) mammals (D) sweating (E) frogs (F) cactus (G) goats (H) humans