008 -
Energy Flow in Ecosystems
In this video
Paul Andersen explains how energy flows in ecosystems. Energy enters via producers through photosynthesis or chemosynthesis.
Producers and consumers release the energy from food through cellular respiration. An explanation of gross primary productivity and net primary productivity are included. Energy and biomass in ecological pyramids show energy efficiency.
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Music Attribution
Intro
Title: I4dsong_loop_main
.wav
Artist: CosmicD
Link to sound: http://www.freesound.org/people/CosmicD/sounds/72556/
Creative Commons Atribution
License
Outro
Title:
String Theory
Artist:
Herman Jolly
http://sunsetvalley.bandcamp.com/track/string-theory
All of the images are licensed under creative commons and public domain licensing:
“
Atomic Bond -
Free Education Icons.” Flaticon. Accessed
September 8,
2015. www.flaticon.com/free-icon/atomic-bond_65469.
“Chemosynthesis.”
Wikipedia, the Free Encyclopedia, August 22, 2015. https://en.wikipedia.org/w/index
.php?title=Chemosynthesis&oldid;=677338446.
Ebyabe.
Silver Springs, Florida:
Silver River, July 26, 2009. Own work. https://commons.wikimedia.org/wiki/
File:Ocala_Silver_River01
.jpg.
“
Hydrothermal Vent.” Wikipedia, the Free Encyclopedia,
September 1, 2015. https://en.wikipedia.org/w/index.php?title=Hydrothermal_vent&oldid;=678920124.
Lab", This image has been created during “DensityDesign
Integrated Course Final Synthesis Studio” at
Polytechnic University of Milan, organized by DensityDesign
Research Lab
Image is released under
CC-BY-SA licence Attribution goes to "
Roberta Rosina, DensityDesign Research.
English: “A
Food Web Consists of All the
Food Chains in a
Single Ecosystem” [Cit.
National Geographic Education],
December 1, 2014. Own work. https://commons.wikimedia.org/wiki/File:Food_Web
.svg.
NASA. English: The
Maps above
Show One Way to
Monitor the
Carbon “metabolism” of
Earth’s Vegetation.,
January 28, 2014.
Moderate Resolution Imaging Spectroradiometer (
MODIS) on NASA’s
Terra satellite. https://commons.wikimedia.org/wiki/File:MOD17A2_M_PSN.ogv.
Thompsma. English: Three
Different Kinds of Trophic
Pyramids Are Illustrated, Including a
Pyramid of
Numbers (top), Pyramid of Biomass (middle), and Pyramid of Energy)., July 5,
2011. Own work. https://commons.wikimedia.org/wiki/File:EcologicalPyramids.jpg.
- published: 17 Sep 2015
- views: 21453