| A | B |
|---|
| adaptation | a special trait that helps an organism survive |
| camouflage | an adaptation by which an animal can hide by blending in with its surroundings |
| condensation | the process in which water particles change from a gas to a liquid |
| consumer | any organism that eats the food producers make, or eats other consumers |
| decomposer | an organism that breaks down wates |
| ecosystem | the living and nonliving things in an environment and all their interactions |
| energy | the ability to do work, either to make an object move or to change into matter |
| food chain | the set of steps in which organisms get the food they need to survive |
| food pyramid | a chart that shows how many servings of each food group a person should eat each day |
| germination | the sprouting of a seed into a new plant |
| habitat | the home of an organism |
| heredity | the passing of traits from parents to offspring |
| learned behavior | behavior that is not inborn |
| life cycle | the stages of growth and changes of an organism's life |
| life span | how long an organism can be expected to live |
| matter | anything that has mass and takes up space |
| melt | when water particles absorb heat energy and changes from a solid to a liquid |
| overpopulation | a depletion of resources that occurs when too many of at least one kind of living thing inhabits an ecosystem |
| producer | an organism such as a plant, that makes food |
| water cycle | the continuous movement of water between Earth's surface and the air, changing from a liquid to a gas to a liquid |
