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Temperature
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No temperature variation - warm around 27.2C
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Precipitation
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Above temp line - tons of water, no drought
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Growing season
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All months
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Species
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Most species of any terrestrial biome
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Plants
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- Warm, wet conditions speed the decomposition of detritus and the reabsorption of released nutrients by plants, so soils cannot support long-term agriculture
- C3 Photosynthesis: Present in most plants, not good at CO2 or H2O conservation but not needed because of plenty moisture in biome -Plants with drip tips to avoid fungal infection and rotting - Large, thin leaves |
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Animals
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- Black and White Colobus Monkey
- Dung Beetle - Jaguar - Agouti |
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Temperature
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Cold until growing season, avg 3.6C
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Precipitation
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Rain in growing season. Most precipitation falls as snow (severe winters) in other months.
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Growing season
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AMJJASO
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Plants
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- Poor and acidic soil
-Cold temperatures limit the decomposition of litter, so soils contain a great deal of organic matter - Abundance of conifer trees like spruces, firs, and pines because they are shared like cones so can slough off heavy loads of snow to prevent damage - Conifers have needles with thick waxy coatings and small surface area to resist cold conditions and minimize water loss - Trees are evergreen because of a short growing season where there is not enough time to drop leaves and rebuild them every year - Droughts trigger widespread canopy and soil fires that consume the abundant accumulated organic matter. |
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Animals
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- Lynx
- Beaver - Haire - Elk |
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Special
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World's largest terrestrial biome. Most in Russia and Canada
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Temperature
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Temperature varies little
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Precipitation
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Wet/dry seasons. Dry season between May and October. Outside of May and October is wet
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Growing season
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All year
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Plants
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- Tree/grass codominance, often require disturbance to maintain - Dry season makes a "thorn forest" because of many succulents.
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Animals
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- Elefant
- Giraffe - Gaselle - Eland |
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Temperature
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Line above precip, avg of 21.9C
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Precipitation
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Barely or none
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Growing season
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All months
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Plants
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- Plants can leave without water by metabolizing fat to obtain it
- Plants are thorny and adapted to conserve water (fleshy stems and leaves) - Thick cuticles - C4 (spatial separation of photosynthesis) and CAM Photosynthesis (temporal separation of photosynthesis) |
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Animals
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- No big mammal because of no shade or water.
- Dominant mammals are burrowers {{nl} - Anochetus ant - Texas horned lizard - squirts blood from eyes to defend itself because blood taste foul to predators - Fat sand rat - Greater roadrunner |
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Temperature
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Avg temp 10.8C
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Precipitation
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- Summers are moist - Dinstict winter season with frost and snow
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Growing season
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MAMJJASON
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Plants
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- Soils are fertile and low acidity
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Animals
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- Bobcat - Grizzly Bear - Squirrel - Deer |
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3 Types
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Artic, Antartica, Alpine Tundra
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Temperature
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Cold, severe winters, avg -11.9C
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Precipitation
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Some rain but not much, similar to a desert. Cold air holds little moisture so most moisture is locked up as snow.
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Growing season
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JJAS - short growing season due to very severe winters
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Plants
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- Almost no trees due to permafrost
- Permafrost is a massive carbon storage area: with global warming, tundra (which used to be a sink) is now a source of carbon and methane (greenhouse gases) - Most plants low to ground - Plants produce anti-freeze protein - Lichens, moss, heath - Slow decomposition of organic matter, so soil is infertile and low in oxygen |
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Animals
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- Migration of animals out in cold months and in during growing season
- species-poor - Peary caribou - Lemming (don't run off cliffs) - Wolf - Polar bear |
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Temperature
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Temp line crosses precipitation line. Hot summers and cold winters
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Precipitation
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Some precipitation
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Growing season
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MAMJJASON
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Plants
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- Few trees, dominated by grasses - May become forest without disturbances when precipitation is high
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Animals
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- Bison
- Kangaroo - Cheetah - Prairie dogs |
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