Relationships Between Organisms

Earlier we saw how life is classified into several different Biological Levels with the Amoeba Sisters. They also do a great job showing relationships between different organisms in Food Webs and Energy Pyramids.

On a side note I hope you haven't purchased (or eaten) Romain Lettuce recently. The Washington Post briefly describes the latest E. Coli Outbreak.
E. coli outbreak warning expands to all types of romaine lettuce

Or you can check out this CBS Evening News Report.