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Definition
organism that can capture energy from sunlight or chemicals and use it to produce its own food from inorganic compounds; also called a producer
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organism that can capture energy from sunlight or chemicals and use it to produce food from inorganic compounds; also called an autotroph
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| process by which plants and some other organisms use light energy to convert water and carbon dioxide into oxygen and high-energy carbohydrates such as sugars and starches |
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process by which some organisms, such as certain bacteria, use chemical energy to produce carbohydrates
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organism that obtains energy from the foods it consumes; also called a consumer
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organism that relies on other organisms for its energy and food supply; also called a heterotroph
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organism that obtains energy by eating only plants
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organism that obtains energy by eating animals
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organism that obtains energy by eating both plants and animals
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organism that feeds on plant and animal remains and other dead matter
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organism that breaks down and obtains energy from dead organic matter
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series of steps in an ecosystem in which organisms transfer energy by eating and being eaten
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network of complex interactions formed by the feeding relationships among the various organisms in an ecosystem
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step in a food chain or food web
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diagram that shows the relative amounts of energy or matter within each trophic level in a food chain or food web
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total amount of living tissue within a given trophic level
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