Science Education Resource Center at Carleton College
Serc: Mn Step: The Flow of Energy: Balancing Ecosystems
A lesson outlining activities for a science unit where students can learn about the relationships and the flow of energy within an ecosystem. These include predator and prey, hosts and parasites, and consumers, producers, and decomposers.
PBS
Pbs Learning Media: Catch Me if You Can
Students are asked to explain the predator/prey relationship and how it helps to maintain the balance of the ecosystems.