2081Ch3&4POSt - in the environment Sunlight intensity...

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Water Adaptations
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Most plants… 6H 2 O + 6CO 2 + E = C 6 H 12 O 6 + 6O 2
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Hot, dry climates 2 advantages: Concentrate CO2 levels Prevent excessive water loss Move Calvin cycle to interior Store carbon as C4 Avoid photorespiration Grasses/ crop plants
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Desert conditions Succulents Open stomata in cooler temperatures Store carbon also as C4
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Countercurrent flow: waste Would you expect the loop of Henle to be longer or shorter in Kangaroo Rats?
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Adaptations for oxygen use
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Countercurrent flow: Oxygen
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Countercurrent flow: temperature
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AChE in trout raised in different seasons Adaptations to predictable changes
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Unformatted text preview: in the environment Sunlight intensity by latitude Variation of sunlight by season Hadley Cells Coriolis Force Currents = wind + rotation Effect of water on temperature variation Precipitation v. vegetation Local effects: Rain Shadows latitude v. precipitation v. season Lake turnover Hurricane formation • Tropical cyclones • Minimum: Warm ocean waters, 50m ocean depth, 500km from equator, low wind shear, cooling moist atmosphere, near-surface disturbance • www.nhc.noaa.gov Soil horizons Nebraska Texas Too much water?...
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