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Environmental Matter Exchange

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Published on Jul 7, 2011

014 - Environmental Matter Exchange

Paul Andersen explains how living organisms exchange matter with the environment. The importance of the surface area to volume ratio is emphasized using a simple mathematical model. The essential chemicals for life; water, carbon, nitrogen and phosphorus are described. Each of these elements are vital to the four major macromolecules. A brief description of the biogeochemical cycles is also included.

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All of the images are licensed under creative commons and public domain licensing:
Agency, Environmental Protection. Nitrogen Cycle, [object HTMLTableCellElement]. http://www.epa.gov/maia/html/nitrogen.... http://commons.wikimedia.org/wiki/Fil....
Daderot. Biosphere 2 near Tucson, Arizona, USA., Photograph taken in 1998. Own work. http://commons.wikimedia.org/wiki/Fil....
en.wikipedia, Original uploader was Aashishbhagya at. English: Picture of Anaimudi Mountain from Eravikulam National Park with Olympus Fe-230 Digital Still Camera, January 1, 2008. Transferred from en.wikipedia. http://commons.wikimedia.org/wiki/Fil....
File:Cube.svg, n.d. http://commons.wikimedia.org/wiki/Fil....
File:D-Glucose-Chain-3D-Balls.png, n.d. http://en.m.wikipedia.org/wiki/File:D....
"File:Eenbruinigherfstblad.jpg." Wikipedia, the Free Encyclopedia. Accessed November 11, 2013. http://en.wikipedia.org/wiki/File:Een....
File:Hemoglobin.gif, n.d. http://commons.wikimedia.org/wiki/Fil....
"File:NSRW Root-Tip.png." Wikipedia, the Free Encyclopedia. Accessed November 11, 2013. http://en.wikipedia.org/wiki/File:NSR....
"File:SEM Blood Cells.jpg." Wikipedia, the Free Encyclopedia. Accessed November 11, 2013. http://en.wikipedia.org/wiki/File:SEM....
"File:Water Cycle.png." Wikipedia, the Free Encyclopedia. Accessed November 11, 2013. http://en.wikipedia.org/wiki/File:Wat....
FischX, Carbon_cycle-cute_diagram jpeg: User Kevin Saff on en wikipediaDerivative work: Deutsch: Diagramm Des Kohlenstoffkreislaufes. Die Schwarzen Zahlen Zeigen Wie Viele Milliarden Tonnen Kohlenstoff (Gt C) in Den Verschiedenen Resevoiren Vorhanden Sind. Die Blauen Zahlen Zeigen An, Wie Viel Kohlenstoff Zwischen Den Einzelnen Speichern pro Jahr Ausgetauscht wird.English: This Carbon Cycle Diagram Shows the Storage and Annual Exchange of Carbon between the Atmosphere, Hydrosphere and Geosphere in Gigatons - or Billions of Tons - of Carbon (GtC). Burning Fossil Fuels by People Adds about 5.5 GtC of Carbon per Year into the atmosphere.Español: Este Esquema Del Ciclo Del Carbono Muestra El Almacenamiento Y Los Cambios Anuales Del Carbono Entre La Atmósfera, La Hidrósfera Y La Geósfera En Gigatones, O Billones de Toneladas, de Carbono (GtC). La Quema de Conustibles Fósiles Libera Cerca de 5.5 Billones de Toneladas de Carbono Al Año En La Atmósfera.日本語: 炭素循環の概念図。黒の数値はそれぞれのリザーバーに存在する炭素量、青の数値はリザーバー間での年間の炭素の移動量。単位はギガt(10億トン)Русский: Схема Геохимического Цикла Углерода Показывает Количество Углерода В Атмосфере, Гидросфере И Геосфере Земли, А Также Годовой Перенос Углерода Между Ними. Все Величины Приведены В Гигатоннах (миллиардах Тонн). В Результате Сжигания Ископаемого Топлива, Человечество Ежегодно Добавляет 5,5 Гигатонн Углерода В Атмосферу., May 30, 2008. Carbon cycle-cute diagram.jpeg (i.e. http://earthobservatory.nasa.gov/Feat...). http://commons.wikimedia.org/wiki/Fil....
Höpfner, Arne. Deutsch: Lipid-Doppelschicht, 1994. Archiv Höpfner. http://commons.wikimedia.org/wiki/Fil....
Poland, ynse from. This File Has No Description, and May Be Lacking Other Information., October 10, 2007. Dna rendering. http://commons.wikimedia.org/wiki/Fil....
Intro Music Atribution
Title: I4dsong_loop_main.wav
Artist: CosmicD
Link to sound: http://www.freesound.org/people/Cosmi...
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