University of Utah
University of Utah: Learning Center: learn.genetics: Great Salt Lake Food Web
Visualize how energy transfer takes place in two linked food chains, and how it demonstrates the interdependence organisms of the Great Salt Lake.
Science Struck
Science Struck: Difference Between Food Chain and Food Web
Explains the characteristics of food chains and food web; the different levels of producers, consumers, and decomposers; and the differences between food chains and food webs. Includes charts and a Venn diagram comparing the two.
Science Education Resource Center at Carleton College
Serc: Mn Step: The Flow of Energy: Balancing Ecosystems
A lesson plan 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...
Other
My Science Box: Food Chains
Students will use a card sorting activity to construct a food chain and identify the role of organisms within that chain. The cards represent different individuals in an ecosystem and will help students begin to understand the concepts...
Northwestern University
Northwestern: What Is a Decomposer?
This concise provides a brief definition of what a scavenger is and then profiles several scavengers (flies, wasps, and cockroaches).
Science Struck
Science Struck: Tropical Rainforest Energy Pyramid and Its Importance
Explains the roles of consumers, producers, and detrivores or decomposers and how energy flows through the different levels of the energy pyramid of a tropical rainforest.
Science Struck
Science Struck: A Bird's Eye View of the Desert Food Chain
Describes how a food chain works in a desert and how the Mojave desert food chain works in particular.
Science Struck
Science Struck: Food Chain in the Tundra Region
Describes the characteristics of a tundra biome, how a tundra food chain compares to a tropical food chain, and what the different trophic levels look like.
Songs for Teaching
Decomposers
Musically Aligned sings a short song on decomposers. They touch on what organisms are included in that group and their roll in the circle of life.