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| 5336610581 | climate | -long term temp and precipitation patterns- determines which plants and animals can live where -area's general pattern of atmospheric conditions over decades and longer | 0 | |
| 5336615744 | tropical climate | equator, intense sunlight | 1 | |
| 5336617842 | polar climate | poles, little sunlight | 2 | |
| 5336622359 | temperate climate | in-between tropical and polar | 3 | |
| 5336627176 | weather | -temperature, precipitation, wind speed, cloud cover -hours to days | 4 | |
| 5336644436 | air circulation in lower atmosphere due to | -uneven heating of the Earth's surface by sun -rotation of the Earth on its axis -properties of air, water, and land | 5 | |
| 5336650934 | ocean currents | -prevailing winds -Earth's rotation -redistribution of heat from the sun -surface currents and deep currents | 6 | |
| 5336674838 | el nino-southern oscillation | -every few years -prevailing winds in tropical Pacific Ocean change direction -affects much of Earth's weather for 1-2 years | 7 | |
| 5336690881 | link between air circulation, ocean currents and biomes | example: el nino |  | 8 |
| 5336717211 | greenhouse gases | -H2O -CO2 -CH4 -N2O | 9 | |
| 5336722900 | natural greenhouse effect | -gases keep Earth habitable | 10 | |
| 5336732647 | differential heat absorption | land and sea breezes | 11 | |
| 5336740697 | rain shadow effect | -most precipitation falls on the windward side of mountain ranges -deserts leeward -cities create microclimates | 12 | |
| 5336751823 | major biomes | -large land regions with certain types of climate and dominant plant life -not uniform -mosaic of patches | 13 | |
| 5336797542 | three major types of deserts | -tropical deserts -temperate deserts -cold deserts (tundra) | 14 | |
| 5336801331 | deserts | -slow plant growth -low species diversity -slow nutrient recycling -lack of water | 15 | |
| 5336810014 | plant adaptations in the desert | -succulents -deep tap roots | 16 | |
| 5336816608 | animal strategies and adaptations in the desert | -physiology and anatomy -behavior | 17 | |
| 5336820773 | three major types of grasslands | -tropical -temperate -cold (tundra) | 18 | |
| 5336824547 | tropical grassland | -savanna -grazing animals -browsing animals | 19 | |
| 5336839420 | temperate grassland | -cold winters -tall grass prairies -short grass prairies -oten converted to farmland | 20 | |
| 5336856760 | arctic tundra: fragile biome | -plants close to ground to conserve heat -most growth in short summer -animals have thick fur -permafrost: underground soil that stays frozen | 21 | |
| 5336863590 | alpine tundra | above tree line in mountains | 22 | |
| 5336873396 | temperate shrubland: | -chaparral -near the sea: nice climate -prone to fires in the dry season *risky place to live | 23 | |
| 5336877976 | three major types of forests | -tropical forests -temperate forests -cold forests: northern coniferous and boreal | 24 | |
| 5336886079 | tropical rain forests | -temperate and moisture -stratification of specialized plant and animal niches -little wind: significance -rapid cycling of scarce soil nutrients -impact of human activities -niche stratification | 25 | |
| 5337794176 | temperate deciduous forests | -temperature and moisture -broad-leaf trees -slow rate of decomposition: significance -impact of human activities | 26 | |
| 5342978095 | evergreen coniferous forests: boreal and taigas | -temperature and moisture -few species of cone: bearing trees -slow rate of decomposition: significance | 27 | |
| 5337869994 | important ecological roles of mountains | -majority of the world's forests -islands of biodiversity -habitats for endemic species -help regulate the earth's climate -major storehouses of water | 28 | |
| 5337877243 | major human impacts on deserts | -large desert cities -destruction of soul and underground habitat by off-road vehicles -soil salinization from irrigation -depletion of groundwater -land disturbance and pollution from mineral extraction | 29 | |
| 5337877244 | major human impacts on grasslands | -conversion to cropland -release of CO2 to atmosphere from burning grassland -overgrazing by livestock -oil production and off-road vehicles in arctic tundra | 30 | |
| 5337880121 | major human impacts on forests | -clearing for agriculture, livestock grazing, timber, and urban development -conversion of diverse forests to tree plantations -damage from off-road vehicles -pollution of forest streams | 31 | |
| 5337880122 | major human impacts on mountains | -agriculture -timber and mineral extraction -hydroelectric dams and reservoirs -increasing tourism -air pollution blowing in from urban areas and power plants -soil damage from off-road vehicles -water supplies threatened by glacial melting | 32 | |
| 5343012212 | other types of forests | -coastal coniferous forest -temperate rain forests | 33 | |
| 5343017793 | big ideas | -differences in climate, based mostly on long-term differences in average temperature and precipitation, largely determine the types and locations of the earth's deserts, grasslands, and forests -the earth's terrestrial systems provide important ecological and economic services -human activities are degrading and disrupting many of the ecological and economic services provided by the earth's terrestrial ecosystems | 34 | |
| 5356876088 | how does a food web work | 35 | ||
| 5356971641 | how does a food web work in for example polar regions vs. rainforests | 36 |
