Lecture_9_temp_Ch5

Lecture_9_temp_Ch5 - Temperature Relations Temperature...

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Temperature Relations Temperature Relations Molles Chapter 5
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Macroclimate and microclimate influence the exchange of energy between organisms and their environment Macroclimate = prevailing climate at a regional scale over many years
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Macroclimate and microclimate influence the exchange of energy between organisms and their environment Macroclimate = climatic variation measured at the scale of weather stations Microclimate = climatic variation measured at the scale of a kilometer or less over short periods of time.
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In terrestrial habitats, variation in microclimate can be caused by: a. . b. . c. . d. . e. .
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In terrestrial habitats, variation in microclimate can be caused by: a. Altitude
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In terrestrial habitats, variation in microclimate can be caused by: a. Altitude a. Aspect
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In terrestrial habitats, variation in microclimate can be caused by: a. Altitude b. Aspect a. Vegetation
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In addition to shade, vegetation can cool microclimate through the process of transpiration
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In terrestrial habitats, variation in microclimate can be caused by: a. Altitude b. Aspect c. Vegetation a. Color of the ground
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Which beach is hotter?
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In terrestrial habitats, variation in microclimate can be caused by: a. Altitude b. Aspect c. Vegetation d. Color of the ground a. Physical structure (shade)
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II. How does temperature variability differ between terrestrial and aquatic environments? WHY?
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Terrestrial temperatures are much more variable than aquatic temperatures because the specific heat of water is approximately 3,000 times greater than the specific heat of air.
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Specific heat The capacity to absorb heat without changing temperature.
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Specific heat The capacity to absorb heat without changing temperature. vaporization fusion
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Latent heat of vaporization The amount of heat energy that is absorbed by water as it evaporates. The latent heat of vaporization of water at 35 o C: 1 g of water takes 580 calories of heat from the surroundings
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wet pads [2], where it is cooled by evaporation [4]. Cool air is then blown into the house [6]. diagrams © OpalCat 1996
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This note was uploaded on 04/12/2011 for the course BIO 326 taught by Professor Gehring,c during the Spring '08 term at N. Arizona.

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Lecture_9_temp_Ch5 - Temperature Relations Temperature...

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