chapter 5 vocab
| Description: | 5 ATHENA ch 5 Scott Foresman 2008 |
| Category: | Science |
| Created by: | bgagnon on 2008-07-25 |
| Stack ID: | 141440 |
| vocabulary word | definition |
| ecosystem | all the living and nonliving things in an area |
| population | a group of organisms of one species that live in an area at the same time |
| community | the group of all the populations in an area |
| niche | the job that an organism has in an ecosystem |
| habitat | the place in an ecosystem in which an organism lives |
| energy pyramid | a diagram that shows the amounts of energy that flows through each level of a food chain |
| cycle | a repeating process or flow of material through a system |
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