**See Ms. Chambers' page
http://www.macmillanmh.com/mmh_games/content/mac_sci/g3/u2/c3/l3/txtid_game/index.htm
http://www.biology4kids.com/
http://www.sciencenewsforkids.org/
http://www.sheppardsoftware.com/content/animals/kidscorner/foodchain/foodchain.htm