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Heat Flow, Heat Budget, Life Forms

by: carr34 Notetaker

Heat Flow, Heat Budget, Life Forms BIO 301-01

Marketplace > University of North Carolina - Greensboro > Biology > BIO 301-01 > Heat Flow Heat Budget Life Forms
carr34 Notetaker

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These notes cover "Heat Flow, Heat Budget, Life Forms"
Principles of Ecology
Robert H. Stavn
Class Notes
Introduction, Ecology
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This 1 page Class Notes was uploaded by carr34 Notetaker on Tuesday September 20, 2016. The Class Notes belongs to BIO 301-01 at University of North Carolina - Greensboro taught by Robert H. Stavn in Fall 2016. Since its upload, it has received 35 views. For similar materials see Principles of Ecology in Biology at University of North Carolina - Greensboro.


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Date Created: 09/20/16
Heat Flow, Heat Budget, Life Forms Heat flow (Abiotic­heat)­ 98% heat Heat flow (Biotic­chemical)­ 2% heat Heat budget: input(income)= output(spending) Counter­ current flow Loop of Henle → concentrates water Heat conservation → water thermal conductivity Marine mammals [37­38 °C] ● Dominate predator in arctic (cold water) 8°C ● Can move faster than other mammals ● Flippers loses heat when it hits water Heat Budget of plants Hot- wet places → Tropics → large flat leaves Leaf shape ­ capture NRG (energy), Transpir Hot - Dry places (monsoon effect) → conserve water, minimize the surface area [India and Florida] Saguaro Cactus  ● Small surface area ● Radiation coming out of it ● Low sun (½ intensity record) Hot part of the year places Hot part of the year­ broad leaves Cold part of the year­ drop leaves Warm temperate Cool places (Southern Canada) Boreal forest (conifers) Water less available Needle leaves­ fewer stomata → overheating confection takes heat out of it → winter if leaf gets too cold confection puts heat back in from the air Cold polar: Tundra Plants are tiny and NO TREES Balance Heat Budget= Ecosystem structure


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