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Definition
| day to day condition of earths atmosphere at a particular time and place |
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| average, year after year conditions of temperature and precipitation in a particular region |
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| trapping of heat in atmosphere, latitude, transport of heat by winds and ocean currents, and amount of precipitation that results. shape and elevation of landmasses |
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| temperature control on earth |
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Definition
| carbon dioxide, methane, water vapor, and a few other atmospheric gases trap heat energy and maintain earths temperature range. these are called greenhouse gases |
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| greenhouse gases trap heat energy of sunlight inside earths atmosphere |
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| unequal heating of earths surface |
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| as a result of differences in latitude and thus the angle of heating, earth has 3 main climate zones: polar zones, temperate zones, and tropical zones |
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| cold areas where suns rays strike earth at low angle, north and south poles |
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| between polar and tropical zones. temperate zones are more affected by changing angle of sun over the course of the year so climate in these zones ranges from hot to cold, depending on season |
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| near the equator. receive direct or nearly direct sunlight year round so climate always warm |
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| biological influences on organisms w/in ecosystem. living things an organism might interact with |
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| physical, or nonliving, factors that shape ecosystems- temp., rain, soiltype, sun, etc. |
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| determine the survival and growth of an organism and the productivity of the ecosystem in which the organism lives in |
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| area with biotic and abiotic factors that organism lives in |
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| full range of physical and biological conditions in which an organism lives and the way in which the organism uses these conditions |
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| any relationship in which 2 species live closely together |
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| both species benefit from the relationship |
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| one member of the association benefits and the other is neither helped nor harmed |
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| one organism lives on or inside another organism and harms it |
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| ecosystems are constantly changing in response to natural and human disturbances. as an ecosystem changes, older inhabitants gradually die out and new ones move in, causing further changes in community. this predictable series of changes that occurs in a community over time= ecological succession |
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| on land, succession that occurs on surfaces where no soil exists |
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| when the disturbance is over, community interactions tend to restore the ecosystem to its original condition thru secondary succession |
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Definition
*tropical rain forest
*tropical dry forest
*tropical savanna
*desert
*temperate grassland
*temperate woodland and shrubland
*temperate forest
*northwestern coniferous forest
* boreal forest
*tundra
each biome defined by a unique set of abiotic factors- particularly climate- and a characteristic assemblage of plants and animals |
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