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7 Cards in this Set
- Front
- Back
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BIOMASS
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total mass of living tissue within a given trophic level
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AUTOTROPHS
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only plants, some algae, and certain bacteria can capture energy from sunlight or chemicals and use that energy to produce food
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FOOD WEB
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network of complex interactions formed by the feeding relationships among the various organisms in the ecosystem
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ECOLOGICAL PYRAMID
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diagramthat shows the relative amounts of energy or matter contained within each trophic level in a food chain or food web
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TROPHIC LEVEL
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each step in a food chain or food web
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DECOMPOSER
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braeks down organic matter
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FOOD CHAIN
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series of steps in which organisms transfer energy by eating and being eaten
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