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chapter 5 vocab
5 ATHENA ch 5 Scott Foresman 2008
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 |