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10 Cards in this Set
- Front
- Back
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autotroph
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an organism tat captures energy from sunlight or inorganic substances to produce food
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heterotroph
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an organism that contains energy by consuming other organisms
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herbivore
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a heterotroph that consumes only plants
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carnivores
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heterotrophs that prey on other heterotrophs
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omnivores
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eat both plant ad animals
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detritivores
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decompose organic materials in an ecosystem and return the nutrents to the soil, air ad water
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trophic level
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each step in a food chain or web
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food chain
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a simple model that shows how energy flows through an ecosystem
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food web
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a model that shows all the possible feeding relationships in an ecosystem
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biomass |
total mass of living matter at each trophic level, ecological pyramid
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