What is an important survival trait?
food and shelter Endocrine system apathy laziness hormones hibernation vanity health
A B C D E F G H
Energy conservation is an important survival trait.
hibernation is an important survival trait
What is an important survival trait? (A) food and shelter (B) Endocrine system (C) apathy (D) laziness (E) hormones (F) hibernation (G) vanity (H) health