Because they are adapted like that for their environment. Four legas help them be able to run fast if they are chasing food or running away from predators. They also need four legs for a better balance because of the uneven environment that most live in. Humans have 2 legs because that is all we need, but when we weren't as evolved we to had four legs to adapt to the environment. We have evolved and 2 of our 4 legs turned into arms because that was more useful for our survival.
A quadruped. Humans are bipeds (2 legs).
Animals with amputated legs, which leaves them with 3 legs, tend to be more weak than anamals with four legs are
because to walk.
a cat has 4 legs
Newfoundland and Norfolk terrier are four legged dogs. A nanny goat has four legs.
gsthbe
No :)
Horses are mammals/animals with four legs.
horses
Denbert Malatamban
Dear Sir or Madam, The answer is false, because insects are not animals and they do have 4 legs. From, Who knows?
It is animals that walk on four legs: rabbit hamster turtle tiger lion