Have you noticed that during the cold season, you cannot see any lizards in the house? Where do you think they have gone?

The Correct Answer is: For hibernationKey Points

• Hibernation is defined as the dormancy period of the cold-blooded animals in winters.
• The cold-blooded animals such as Lizards, frogs tend to go under a dormancy period in winters in order to survive the cold temperature.
• Aestivation is defined as the slowing down of activity during the summer by some animals in order to cope with high temperatures.
• Regeneration is defined as the growth of new tissue from a destroyed one.
• The alteration in the genetic material tends to change the characteristics of an organism is called Mutation.

Additional Information 

• Hibernation is defined as a state of reduced metabolic activity during winter season among some animals.
• Many organisms are hibernators such as Fishes, Amphibians and Reptiles.
• Snakes, Frogs and Lizards hibernate in cold weather because they are cold-blooded animals.
• The Hibernators relies on a combination of reserve body fat, stored food supplies etc.
• Some animals become dormant in the summer season which is called Aestivation.