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12 Cards in this Set
- Front
- Back
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Tundra (5)
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-found in artctic/high elevation
-permafrost underlies tundras -plants grow in summers/melt frost -lowland arctic tundra=wet -animals in summer or dormant |
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Tropical Alpine Tundra (2)
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-not underlain by permafrost
-photosynthesis all year and more plant forms |
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Boreal Forest (6)
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-South of tundra biome/lower elevation on temperate zone mountains
-summer=short and warm, winter=long and cold -favor trees with evergreen leaves -few tree species -n. hemisphere=coniferous gymnosperms -s. hemisphere forests = beech trees |
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Temperate deciduous forest (5)
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-Eastern N America, eastern asia and western europe
-temperature fluctuation drastic -precipitation evenly distributed -deciduous trees=no leaves in winter -more trees than boreal |
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Temperate Grassland (4)
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-many parts of the world
-rich in species of perennial grass, sedge and forbs -adapted to grazing and fire -most converted to agriculture |
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Cold Desert (4)
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-dry regions at middle to high latitudes
-high altitudes in rain shadows -seasonal temp vary greatly -seed producing plants birds ants and rodents common |
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Hot Desert (5)
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-30 north and south
-central australia and sahra=dryest -richer and more diverse vegetation than cold cept in dryest areas -succulant plants -annuals geminate and grow during rainfall |
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Chaparral (3)
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-meditteranean, coastal cali, central chili
-small seed eating rodents -low growing shrubs and trees with evergreen leaves |
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Thorn Forests-3
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-equatorial sides of hot deserts
-no rain in winter but sometimes heavy in summer -spiny shrubs and small trees (acacia) |
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Savannas-3
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-dry tropical and subtropical regions of africa, SA and australia
-grassland and scattered trees -huge numbers of grazing and browsing mammals |
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Tropical deciduous forest-6
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-found closer to equatore than thorn forests
-long summer rainy season -moderate specie plant richness -high specie richness for mammals birds reptiles and amphibians -best soils in tropics for agriculutre -most soils cleared |
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Tropical Evergreen Forest
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-equatorial rainfall exceeds 2.5m/year
-richest in BOTH plant and animal -productivity highest in terrestrial communities -epiphytes |
