How does the Lakota concept of Mitákuye Oyás'iŋ (All Are Related) apply to prairie food webs? Objective Students will identify the components of a prairie food chain and prairie food web. Students will be able to illustrate the transfer of energy in both a food chain and a food web. Background A food web shows how energy is transferred in the environment. Energy is transferred from the Sun to plants, then to herbivores (plant eaters), then to carnivores (meat eaters). The mixed-grass prairie ecosystem of Badlands National Park is home to a variety of plants, herbivores, and carnivores. Herbivo Duration: 60 Minutes.