| A | B |
| Living | people, plants, and animals that grow, eat, and change |
| Nonliving | Were never alive |
| Structural (physical) adaptation | a part of an organism that helps it survive in its habitat |
| Behavioral adaptations | something an organism does or the way an animal behaves to survive in its habitat |
| Adaptation | organism's structural or behavioral trait that helps it to survive in its environment |
| Survive | to continue to live |
| Basic needs of living things | air, water, food, and space |
| Learned behavior | a behavior some animals have after being taught how |
| Camouflage | a physical adaptation that allows animals to blend into their environments to protect themselves from enemies |
| Migration | movement of animals from one region to another |
| Hibernation | a behavioral adaptation where animals enter into a deep winter sleep, their body activities slow down and they live off the stored food in their bodies |
| Mimicry | when animals can look like or act like another animal in their environment in order to defend themselves by tricking their predators |
| Instinct | a behavior some animals have by knowing how to do something from birth, without having been taught how |