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Published byCorey Walker Modified over 6 years ago
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Terrestrial Biomes Biomes are defined as the world's major communities, classified according to the predominant vegetation and characterized by adaptations of organisms to that particular environment.
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Deserts… Species diversity is LOWER due to extreme conditions
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Hot and dry – Tropical… Temperature extremes: Little insulation due to lack of humidity HOT during the day, COOL at night Evaporation exceeds precipitation Death Valley Sahara Mexico, Australia, Arizona
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Plants… Adapted to prevent water loss Succulent
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Animals… Also adapted to dry conditions: Nocturnal, burrowers, thick skin
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Cold - Polar… Antarctica, Greenland, Arctic, High Mountains
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Tropical desert (Sahara Desert)
Cold desert
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Grasslands North America: Prairies South America: Pampas South Africa:
Veldt or Savanna Asia: Steppes Australia: Rangelands
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Grassland – Savanna Africa Wet and dry seasons
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Grassland – Temperate Hot and Cold Seasons
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Grassland – Temperate
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Tundra
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Arctic Tundra
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Alpine Tundra
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(in the arctic)
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Chaparral (Mediterranean)
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Forest - Tropical Rain Nutrient POOR and acidic soil MOST biodiverse Rainfall abundance due to transpiration
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Plants: Broadleaf evergreen Thick canopy, less growth on forest floor due to sunlight being the limiting factor
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Animals…
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It’s disappearing… FAST
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Forest – Temperate Deciduous
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Plants Broadleaf trees – shed their leaves every year
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Forest - Temperate Rain
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Forest – Taiga Boreal Coniferous
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