| A | B |
|---|
| environment | all nonliving things in an area. |
| ecosystem | all living and nonliving things in an area. |
| basic need | needs that must be met for a living thing to survive. |
| resource | anything in an ecosystem that can meet the need of a living thing. |
| competition | occurs when living things are trying to use the same resources. |
| adaptation | a change in the characteristic of a living thing that allows it to survive in its environment. |
| camouflage | a coloring or pattern that allows a living thing to blend in with its surroundings. |
| mimicry | the ability of a living thing to imitate another living thing. |
| migration | the movement of a group of animals from ecosystem to another. |
| hibernate | a deep sleep that some animals go into in the winter months. |
| pollution | anything that makes the water, air, or land dirty. |
| hypothesis | an idea of the answer to a problem. |
