unit 3 a chapter lesson 3&4
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Created by:
bpenashms on February 13, 2011
Subjects:
how does energy move through an ecosystem
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2 terms
Terms | Definitions |
|---|---|
 energy pyramid | a diagram that compares the amount of energy available at each position, or level, in the feeding order. |
| food web | a combination of all the food chains in a community. |
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