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13 Cards in this Set
- Front
- Back
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Biome |
Groups that live in the same climate |
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Ecological pyramid |
Shows how much energy is passed on to consumer from the original autotroph |
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Biomass |
Total amount of living tissue within a given trophic level |
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Biogeochemical cycle |
Process in which elements, chemical compounds, and other forms of matter are passed from one organism to another |
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Nitrogen Fixation |
The chemical processes by which atmospheric nitrogen is assimilated into organic compounds |
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Denitrification |
When bacteria change nitrates (N↓3) back into nitrogen gas (N↓2) |
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Heterotroph |
Organisms that obtains food by consuming other living things |
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Consumers |
Organism that relies on other organisms for its energy and food supply |
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Ecology levels |
Species/organisms Population Community Ecosystem Biosphere |
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Biosphere |
Includes atmosphere, lithosphere, ecosphere, and hydrosphere. EARTH |
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Nitrogen fixation |
Rhizobum bacteria on plant roots supply nitrogen to the biosphere |
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Omnivore |
Include a variety of foods |
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Detritivore |
Feeds on particles |
