Producers
Plants which provide food for crops or animals
http://www.geography4kids.com/files/land_foodchain.html
http://www.sheppardsoftware.com/content/animals/kidscorner/foodchain/producersconsumers.htm
Interactive Games
http://www.sheppardsoftware.com/content/animals/kidscorner/games/producersconsumersgame.htm
http://www.sheppardsoftware.com/content/animals/kidscorner/games/producersconsumersgame.htm
http://www.sheppardsoftware.com/content/animals/kidscorner/games/foodchaingame.htm