Links to help understand producers, consumers, decomposers (energy pyramids) and food chains:
- http://www.sheppardsoftware.com/content/animals/kidscorner/foodchain/producersconsumers.htm (interactive)
- http://resources.woodlands-junior.kent.sch.uk/homework/fooodchains.htm (What is a food chain? How to draw a food chain.)
- http://studyjams.scholastic.com/studyjams/jams/science/ecosystems/food-chains.htm (video-good explanation)
- http://www.ducksters.com/science/ecosystems/food_chain_and_web.php (food chain and food webs)