woodland food chain, energy transfer, producers/consumers/decomposers http://www.kapili.com/biology4kids/eco/food.html - food chain vocabulary: producer, primary and secondary consumers, decomposers http://www.geog.ouc.bc.ca/physgeog/contents/4e.html - Energy in an ecosystem: graphic depicting flow of energy from the sun http://www.bbc.co.uk/education/landmarks/high/sea/page8.html - graphic food chain http://science.coe.uwf.edu/SH/Curr/foodchain/foodchain.htm -