How is an alligator different from a crocodile?
A crocodile has a ‘V’ shaped snout, whereas an alligator has a ‘U’ shaped snout. When a crocodile closes its mouth, the fourth tooth in the lower jaw sticks up outside the top jaw. However, there is a well-defined constriction in the upper jaw behind the nostrils to accommodate it. When an alligator does the same…