| A | B |
|---|
| vital | extremely important |
| creatures | animals of any type |
| ecological | environmental |
| greedy | wanting more than needed |
| amphibian | an animal that can live both on land and in water |
| common | usual; happening often |
| community | a group of people who live in the same area |
| government | the group of people who control a country |
| insect | a small creature that has six legs, and sometimes wings |
| mammals | a type of animal that drinks milk from its mother’s body when it is young |
| reptiles | a type of animal whose body temperature changes according to the temperature around it, and that usually lays eggs to have babies |
| treat | to try to make a sick person or animal well again |
| worried | thinking about future problems |
