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Organism
| Term | Definition |
|---|---|
| air | a mixture of gases (especially oxygen) required for breathing |
| oxygen | a nonmetallic element that is normally a colorless odorless tasteless gas; |
| protein | an organic compound essential to living cells |
| water | a compound that occurs at room temperature as a liquid. |
| survive | live longer than |
| carbon dioxide | a heavy odorless colorless gas formed during respiration and by the decomposition of organic substances; |
| instinct | inborn pattern of behavior often responsive to specific stimuli |
| food chain | a community of organisms where each member is eaten in turn by another member |