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8 Cards in this Set
- Front
- Back
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a position in a food chain or ecological pyramid occupied by a group of organisms with a similar feeding mode |
trophic level |
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biological material derived from living or recently living organisms |
biomass |
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photosynthetic organisms that manufacture organic substances |
water trophs |
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organisms that obtain their energy by feeding on other organisms rather than getting energy from the sun |
consumers (1°/2°/3°) |
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a group of organisms that break down complex material in dead organisms into simple ones and release valuable ions and minerals |
saprobiont? (decomposes) |
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a feeding heirachy where organisms in an ecosystem are grouped into trophic levels, and are shown in succession to represent the flow of food energy and the feeding relationships between them |
food chain |
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a graphical model showing the interconnecting food chains in an ecological community |
food Web |
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gets energy from the sun |
photoautotrophs |
