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Practice Set
| Term | Definition |
|---|---|
| 10% Rule | each trophic level can only give 10% of its energy to the next level |
| Autotrophs | make food for themselves using light energy, carbon dioxide, and water |
| Biosphere | the part of the Earth that can support life; includes all living things and the places they are found |
| Energy pyramid | shows how the energy available to organisms at each trophic (feeding) level of an ecosystem is decreased |