In this comprehensive lesson unit, young scholars examine how overfishing has affected Chesapeake Bay's ecosystem. They will study food webs from the past and present and graph related data.

The following is a tutorial of food chains, food webs and food pyramids.

Trace the energy transfer through food chains and food webs. Check your understanding by hovering your mouse over questions to reveal the answers.

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

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

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

[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 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...

The students will become the food web in this fun interactive classroom activity. Detailed instructions, background information, guiding questions, and activity worksheets are provided.

A video workshop examining how the Sun provides energy for all living things beginning with the process of photosynthesis. Presents current scientific thinking about energy transfer through the food chain as well as ways to deal with...

View examples and learn how animals impact the food chain.

Have a look at a simple food chain and others that are more complex. Then construct a series of food chains by playing a drag-and-drop game.

Understand how the food chain works within ecosystems.

This illustrated guide to food chains and ecological pyramids will help clarify how energy flows through an ecosystem.

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

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

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

Learners begin this lesson by making observations and recording evidence of the variety of living things in local nature site. Students use reference materials to research predators and food of the animals they observed, then illustrate...

Discover how energy flows as part of a food web. Identify the ultimate source of energy for organisms on Earth.

Learners 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,...

Given illustrations, students will analyze the flow of matter and energy in food chains, food webs, and ecological pyramids.

Students will build a food web diagram and illustrate the movement of matter through a series of food chains. Resources include detailed plans, examples of student work, videos of the lesson in action, and sample food webs.

Explore the food web in a coral reef with these illustration. Identify the consumers, producers, and decomposers that are located within this ecosystem. Site includes illustration exploring the different food chains as well as questions...

[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.