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2015

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Primary Succession

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Energy pyramids

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3 selection graphs

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Levels of Organization in ecosystems A B C D E F

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Biomagnification

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Soil Profile

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A: PRECIPITATION B: TRANSPIRATION C: ABSORPTION D: PERCOLATION E: CONDENSATION F: EVAPORATION G: RUNOFF H: PERSPIRATION/RESPIRATION

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Carbon Cycle

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Nitrogen cycle

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Identify the Biomes AB C D E F G

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Identify the Biome

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Wetlands Land that contains water for all or part of the year. Characteristics: Distinct soils Varied species: insects, water plants, and amphibians, etc.

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Wetlands, continued Why are they important? Reduce erosion and runoff Cycle nutrients Reduce pollutants Create recreational areas Habitats to many different species Breeding & spawning grounds Nursery and food factories

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hydroelectric Advantages: -renewable -little pollution -controllable and constant -not expensive once built Disadvantages -cant be used everywhere -initially expensive -floods the river and blocks transportation -harms ecosystems-fish ladders

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Geothermal Advantages: -renewable -little pollution -controllable and constant -not expensive once installed Disadvantages -cant be used everywhere -initially expensive -difficult to install after house is built -Steam can contain minerals and chemicals.

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Solar energy Advantages: -renewable -little pollution -not expensive once installed -abundant Disadvantages -not constant -initially expensive -PV cells made of toxic chemicals -harms ecosystems-birds and insects

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Wind energy Advantages: -renewable -no pollution -not expensive once installed Disadvantages -not constant or controllable -initially expensive -noisy and eyesore -harms ecosystems-birds

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Biomass Advantages: -renewable -less pollution -reduces trash -fuel made in US -constant and controllable Disadvantages -gives off CO2 -lack of infrastructure-gas pump -raised food prices -ashes are hazardous

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STUDY!!!!!!