Question

For some animals hunkering down in a cosy done during the cold winter months when the nights are long and temperature xolo is just a matter of momentary comfort it's essential for survival hibernation is when animals

Answer 1

During hibernation, animals go through a period of total physical inactivity and very low metabolic rate. Prior to hibernation they eat a lot, thereby storing energy for the body to survive. They then find a comfortable place to sleep through the winter, when their body temperature drops drastically, breathing slows down and heart rate decreases.

Answer 2

hunkering in the context of the passage