[Free Registration/Login may be required to access all resource tools.] Videos, texts, activities, and assessments about food chains and food webs in an ecosystem.

Jorge is a cook in an underwater restaurant. He knows a lot about food webs. Dive in and learn about it with him.

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

[Free Registration/Login may be required to access all resource tools.] Describes how energy is transferred from one organism to another.

Take an interactive quiz over food chains. After completing the quiz, check your score, and then revisit any incorrect question for further review.

Brush up on food chain vocabulary before taking this interactive quiz. Check the box for the correct answers throughout the assessment.

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

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...

[Free Registration/Login may be required to access all resource tools.] Describes how energy is transfered from one organism to another.

[Free Registration/Login may be required to access all resource tools.] Describes how energy is transfered from one organism to another.

[Free Registration/Login may be required to access all resource tools.] When an herbivore eats a plant, the energy in the plant tissues is used by the herbivore. Every time energy is transferred from one organism to another, there is a...

[Free Registration/Login may be required to access all resource tools.] Describes how energy is transferred from one organism to another.

A complete lesson on owl pellets. Students can read information, watch a tutorial, and use their computer mouse to complete a dissection simulation right there on the screen.