Hibernating animals survive through the weeks or months of hibernation off the fat and carbohydrates that have been stored from the additional food.
(Hibernating animals; survive; T:through the weeks or months of hibernation off the fat and carbohydrates) (the fat and carbohydrates; have been stored; from the additional food)
Hibernating animals the fat and carbohydrates
survive have been stored
T:through the weeks or months of hibernation off the fat and carbohydrates
from the additional food