To give students a deeper look into food webs and define the differences between them and food pyramids/ food chains.
Food web- the interlocking food chains within an ecological community (Encarta)
This presentation will define the various essential entities within a food web. We all should know how energy is transferred from one species to another.This is also important to know because we can then understand how the loss of even a single species within the food web can have a severe impact on the local ecosystem.
For even further detailed information please visit:
http://mrsschlangensscience.wikispaces.com/Got+Energy%3F+A+look+at+food+webs.
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Non-Examples:
Each Part of a food chain or a food web does not make a chain or web on its own.
An individual organism is not a food web.
Populations of organisms are not a food web.
Examples:
Multiple Species Interacting make up a food web.
Multiple parts of the food web makes up a food web.
Multiple food chains make up a food web.
Food webs contain all of the parts listed on the right.
"This music video teaches about food chains and the pyramid of energy. Watch it a few times and you'll be completely on top of trophic levels and energy transfer." (YouTube)
Source: (n.d.). Retrieved 04 29, 2012, from YouTube: http://www.youtube.com/
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