1. Seminar 4 Food Chain/Food Web

2. Before we begin… http://soldiersangelswashington.files.wordpre ss.com/2009/03/teamwork_puzzle_web1.jpg http://adamsewardcounseling.net/yahoo_s ite_admin/assets/images/Questions.2071 32418_std.jpg

3. Unit 5 – Balance Reading – Ch. 4 (heat) Discussion – Nature Imbalances Seminar – Human equilibrium Assignment – Temperature & equilibrium virtual lab

4. Seminar Background Food Chain Food Web

5. 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?

6. 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)?

7. Energy Pyramid http://www.vtaide.com/png/foodchains.htm

8. Food Chain Example http://nzdl.sadl.uleth.ca/gsdl/collect/envl/archives/HASH0192.dir/p023.gif

9. WhitefishMollusksAmphipods

10. Trophic Levels http://www.cod.edu/PEOPLE/FACULTY/FANCHER/TrophicPyramids.htm