Why do amphibians and reptiles hibernate?

Answer 1

Animals hibernate durring the winter because of shortage of food.

Because in the winter, there is no food for them to find, and some would not be able to stay warm. So they hibernate/ sleep through winter.

Hibernation is a process in which an animal's body temperature is lowered and its heartbeat slowed, in order to conserve energy during times of scarcity and stress.

Each type of animal hibernates in a different way. Squirrels can wake up every four days to grab a bite to eat and take a trip to the bathroom, while black bears can stay dormant, or inactive, for up to seven months with no food, water, or visits to the bathroom.
They have evolved hibernation as a response to environmental conditions, like severe winters.

Answer 2

Most animals hibernate during the winter, in order to lower their body's requirement for food and water in a time where it is scarce. In turtles, the hibernation period is a state of dormancy for their reproductive cycles to develop.

Answer 3

Because they are cold blooded and when the weather gets to cold they cannot move quickly.

Answer 4

because food is low in winter and the temperature is cold

Answer 5

Simply because reptiles cannot regulate their temperature like mammals can. If the weather gets too cold - they'll go into 'suspended animation' until it gets warmer.