To defend themselves. If they didn't bite, sting etc then they would most likely be eaten. If you were about to be eaten you'd bite the person that was trying to eat you!!! Also, so they can eat, because if they didn't eat they'd die. You have to bite to eat.
No all animals bite including us humans. To explain it, it is because we do any thing to protect us when we are in danger and so do animals nearly all animals bite for self-protection although some like stingrays do not bite, but they sting, the way all animals protect themselves are still called biting. Even fish bites
They bite if attacked.
There are many types of animals that are gentle. However, even gentle animals can bite. Some gentle animals include dogs, cats, rabbits, and penguins.
All animals bite their food. Humans, horses, cows, tigers, etc.
Quokkas do not bite people or other animals. They use their teeth to bite the vegetation on which they feed.
Some mammals are the largest animals in the world.
Yes you can bite it off but why in the world would you do that.?
no only animals
they can eat you and bite you
When Animals Bite Back - 2011 TV was released on: USA: 22 May 2011
I'm sure that most domesticated animals are capable of biting humans. Many pets do - dogs, cats, rodents such as mice, rats, gerbils, hamsters and guinea pigs, tortoises, birds, horses, etc. Farm animals can too - a pig bite can be very nasty.
because animals can bite or scratch you when they are frightened or put in danger..