| A | B |
| environment | made up of all living and non-living things in a place |
| habitat | a place where an animal or insect finds the food, water, and shelter it needs to live |
| desert | an environment that gets little rain |
| rain forest | an environment where rain falls almost every day and may have warm weather all year long |
| forest | an environment that gets enough rain and warmth for many trees to grow |
| tundra | a place with a cold, windy, environment, covered with ice and snow most of the year |
| pond | a small freshwater environment |
| adaptation | anything about an animal that helps it live in its environment |
| camouflage | the way an animal looks that helps it hide |
| migrate | an adaptation where animals travel to faraway places |
| hibernate | an adaptation where some animals spend the winter in a deep sleep, their body temperature falls and their heartbeat slows, and they do not need to eat |
| estivate | an adaptation where animals stay in a deep sleep during the summer, their bodies slow down and they do not need food or water |
| food chain | the order in which animals eat plants and other animals |
| ocean | a large saltwater environment |