8. Consider the following : 
1. Bats

2. Bears

3. Rodents
 

The phenomenon of hibernation can be observed in which of the above kinds of animals?

1. 1 and 2 only

2. 2 only

3. 1, 2 and 3

4. Hibernation cannot be observed in any of the above

Correct Answer :

1, 2 and 3