You are presented with the question "Animals use what to improve chances of surviving?" and the following answer choices: 
- Glucose
 - Energy.
 - traits
 - energy
 - food
 - dormancy
 - gene flow
 - four limbs

Now knowing that an animal usually requires a warm body temperature for survival and dormancy is an adaptation that improves the chances of surviving until warm temperatures return, choose the best answer.


 

      dormancy   