If you grew up in the '90s, you remember the Food Pyramid. It's now outdated, but why hasn't the USDA provided better health ...

In 1992, life as we knew it changed forever. The Food Pyramid came out, showing us a food plan to which we could theoretically stick. I remember reading about it in our health book in elementary ...

In biology the relationship of what eats what and how energy passes through an ecosystem is called a food chain. Pyramids can help give us an overall picture of a particular food chain.