| Term | Definition |
|---|---|
| Evergreen | a plant that keeps green leaves on its branches all year |
| deciduous plant | a plant that loses all of its leaves for a part of the year |
| photosynthesis | the process that plants use to make sugar for food |
| producer | organism that makes its own food for energy |
| consumer | organism that cannot make its own food |
| decomposer | organism that gets its energy by breaking down wastes and dead organisms |
| pollution | any substance that damages the environment |
| cellular respiration | the process by which cells break down sugar to release energy |
| habitat | a place that provides all the things an organism needs to live |
| population | a group of organisms of one species that live in an area at the same time |
| ecosystem | all the living and nonliving things in an area and their interactions |
| prey | any animal that is hunted by others for food |
| predator | an animal that hunts and eats another animal |
| community | the group of all populations in an area |
| conservation | an attempt to preserve or protect an environment from harmful changes |
