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Definition
| Covered most of North America 20,000 years ago |
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Term
| Uniformitarianism Assumption |
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Definition
| The same natural laws and proceses that operate right now have always operated in the past and apply everywhere |
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Term
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Definition
| Evidence from independent unrelated sources can converge to provide very strong clues |
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| Gross Primary Productivity |
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Definition
| a\Amount of energy stored by plants without counting for losses due to respiration |
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Definition
| Rate that plants in an ecosystem produce useful chemical energy (GPP-respiration) |
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Term
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Definition
| Only keep 10% of the energy when you move up a trophic level |
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Definition
| A genetic trait that helps an organism maximize its reproductive success |
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Definition
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Definition
| Woody perennial plant with a single tall main stem |
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Definition
| Naked seeds in protective cones |
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Term
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Definition
| Protected seeds/flowering |
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Definition
| Sub-category of gymnosperms |
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Definition
| Mass of living biological organisms in a given area or ecosystem at a given time |
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Definition
| Uses energy from light to produce complex organic compounds from simple inorganic molecules |
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Definition
| Deviation from the normal change in temp wit haltifude |
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Term
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Definition
| Air moves in currents because of the Earth's rotation |
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Term
| Intertropical Convergence Zone |
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Definition
| Air currents converge at equator creating a band of clouds |
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Definition
| Rate temp decreases as altitude increases |
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Definition
| Describes the direction and the rate that the amount of net energy changes between one place and another |
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Definition
| Map where precip is shown through shading |
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