| A | B |
| crocodile | a big reptile with a long mouth and sharp teeth, that lives in lakes and rivers |
| alligator | a large reptile, with a long nose that is shorter and slightly wider than that of a crocodile |
| reptile | an animal whose body is covered with scales, and whose blood changes temperature |
| broad | wide |
| snout | the long nose of some animals |
| overlap | part of one object covers part of the other |
| species | a group of plants or animals which share similar characteristics |
| narrow | having a small distance from one side to the other |
| protrude | to stick out from something |
| distinctive | easy to recognize, different from other things |