What do herbivores have to use travel long distance in search of plants ?

Humans have posture

In human beings, the upper limbs are called:

Children need more of 

Fish take in:

An example of  a bird having strong jaws and teeth .

Cows and horses are herbivores .They have  .

Deer like animals which live in the artic regions are called 

Which of the following helps to change digested food into energy? .