Bozeman Science
Life Requires Free Energy
Paul Andersen describes how free energy is used by organisms to grow, maintain order, and reproduce. A brief discussion of the first and second law of thermodynamics is also included. Disruptions in the amount of free energy can cause...
Scholastic
Study Jams! Food Chains
Rhinozilla is Mia's bearded dragon and the focus of this lesson on energy flow in an ecosystem. She uses him to explain the energy pyramid, from producers through third level consumers, and she likens the food chain to a video game. Mia...
Sophia Learning
Sophia: Energy Pyramids: Lesson 4
This lesson will introduce energy pyramids, and show how energy moves from one trophic level to the next. It is 4 of 4 in the series titled "Energy Pyramids." [5:04]