Food Pyramid. The 1992 pyramid introduced by the United States Department of Agriculture (USDA) was called the "Food Guide Pyramid" or "Eating Right Pyramid". It was updated in 2005 to "MyPyramid", and then it was replaced by "MyPlate" in 2011.
Energy flows through an ecosystem through the food chains. smaller bugs are eaten by bigger bugs and bigger bugs are eaten by animals. etc. energy flows through each organism and light!