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| one of the most important factors that determines the system's capacity to sustain life. |
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| the main source of energy for life on earth |
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| organisms that can capture energy from sunlight or chemicals |
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| the process of capturing soloar energy |
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| formula for photosynthesis |
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| carbon dioxide+water+carbohydrates+oxygen |
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| the most common type of photosynthetic bacteria |
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| organisms use chemical energy to create carbohydrates. |
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| organisms that cannot harness energy directly from the physical environment |
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| eats plant and animal remains and other dead matter. |
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| breaks down organic matter |
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| a series of steps in which organisms transfer energy by eating or being eaten |
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| links food chains together |
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| each step in a food chain or web |
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| the total amount of living tissue within a given trophic level |
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