| A | B |
|---|
| Ecosystem | all of the interactions among living things and their non-living surroundings |
| Environment | surroundings |
| Living Things | things that move, eat, grow and have children |
| Non-living Things | things that do not eat, move on their own, or grow. They do not have children. |
| Shelter | the type of "house" someone or something lives in |
| Habitat | places where animals and plants naturally live |
| Adaptation | a change an animal goes through to fit its environment |
| Extinction | when living things die out and none of its kind is found anywhere on Earth |
| Endangered | when living things are in danger of becoming extinct |
