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Seminar 4Food Chain/Food Web
Before we begin…
http://soldiersangelswashington.files.wordpress.com/2009/03/teamwork_puzzle_web1.jpg
http://adamsewardcounseling.net/yahoo_site_admin/assets/images/Questions.207132418_std.jpg
Unit 5 – Balance• Reading – Ch. 4 (heat)• Discussion – Nature
Imbalances• Seminar – Human equilibrium• Assignment – Temperature &
equilibrium virtual lab
Seminar Background•Food Chain•Food Web
Seminar Topics•Examples of food chains.•Food chain or a food web? Better to live as part of a food web than on a food chain?
•Lake Michigan food web, population of blue-green algae if the amphipods started dying?
Seminar Topics – Con’t•Population of Lake whitefish if the amphipods started dying?
•Mollusks if the amphipods started dying?
•Other 90% of the calories (energy)?
Energy Pyramid
http://www.vtaide.com/png/foodchains.htm
Food Chain Example
http://nzdl.sadl.uleth.ca/gsdl/collect/envl/archives/HASH0192.dir/p023.gif
Whitefish Mollusks Amphipods
Trophic Levels
http://www.cod.edu/PEOPLE/FACULTY/FANCHER/TrophicPyramids.htm