A short lesson explaining the "web of interactions" that occur in a food web. Understand how the energy flows between autotrophs and consumers. [0:35]

Explains the characteristics of tropical and temperate rainforests and what rainforest food webs look like.

Understand how organisms acquire energy and how that energy is passed from one organism to another through food webs and their constituent food chains.

This unit contains interactive lessons on animal ecosystems, animal classification, adaptations, and food chains.

Visualize how energy transfer takes place in two linked food chains, and how it demonstrates the interdependence organisms of the Great Salt Lake.

Explore the different ecological roles of organisms in the ecosystem, and find out how the energy flows through them.

Investigate the interdependence of wildlife in the Yellowstone ecosystem and draw an ecosystem showing the interdependence of life forms.

Learners analyze food chains, webs, and pyramids to determine how energy flows and matter cycles through ecosystems.

This Museum of Science page does an excellent job of explaining the importance of plants as producers in the sea. The food chain or food web has to start with the plants.

Students will create a food chain model and use it to describe the movement of matter among plants, animals, decomposers, and the environment. Resources include a detailed lesson plan, student handouts, pictures of a completed chain,...

This tutorial review over food chains and how energy is transferred through them.

Students learn about the feeding relationships in an estuary ecosystem with this interactive energy pyramid activity. A second activity involves research and a video clip to elaborate the learning.

A module that explains what an ecosystem is and how energy and matter move through them. Students will look at the different roles of plants and animals and at ecological relationships in food chains and food webs.

View examples and learn how animals impact the food chain.

Understand environments and how organisms adapt to their environment.

[Free Registration/Login may be required to access all resource tools.] Describes how food chains and webs represent feeding relationships.

The Web of Life is a story told by a common garden spider at this site from Kids' Planet. Learn about the food web, and the roles and relationships of every living creature.

Omnivores, herbivores and carnivores are waiting for you. The food chain comes to life at this friendly site.

[Free Registration/Login Required] In this interactive you will need to design a food chain that corresponds with the correct ecosystem. You will need a sign-in to access the media but it will be well worth your time!

Learn how energy is passed along through living things in a food chain and web.

Learn how scientists classify different types of organisms in an ecosystem or in a food chain by their role and function as either a producer, a consumer, or a decomposer. Then play a game that tests your understanding of these important...

[Free Registration/Login may be required to access all resource tools.] Understand what trophic levels are and identify producers and consumers in a food web.

This activity allows young scholars to make a simple model food chain and observe how toxic chemicals can become concentrated in the bodies of consumers at the top of the chain.

Create the parameters of your own ecosystem by choosing which producers and consumers live there. Visualize how the food web operates and species populations change. This simulator mimics the food web within a typical ecosystem and gives...