| A | B |
|---|
| animals | make up one kingdom of living things |
| species | different kinds of animals |
| carnivore | eats only other animals |
| herbivore | eats only plants |
| omnivore | eats both plants and animals |
| survive | means to stay alive |
| traits | facts about an animal |
| adaptations | traits that help animals survive |
| communicate | use bodies and sounds |
| amphibians | animals such as frogs |
| reptiles | animals such as snakes and lizards |
| mammals | animals such as dogs and humans |
| invertebrates | animals without backbones |
| vertebrates | animals with backbones |
| arthropods | have bodies made of pieces joined together |
| gills | fish use these to breathe |
| lungs | Mammals and other animals use these to breathe air |
| fins | fish use these to move |
| birds | have feathers and most fly |
| fish | have gills and fins and live in water |
