A collection of three lessons where students learn about abiotic factors in marine ecosystems, about marine food chains and biodiversity, and about marine food webs and trophic levels. Includes handouts, website links, and a vocabulary...

Learners 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.] Describes how food chains represent feeding relationships.

Understand how the food chain works within ecosystems.

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.

Students begin this instructional activity 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,...

A video and a short multiple-choice quiz on food webs that explains the difference between food webs and food chains, and the relationships that exist between organisms.

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...

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.

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

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.

This lesson focuses on food chains in ecosystems, including levels of consumers, decomposers, and a list of common words used with food chains and their definitions. It also provides a link to an assessment.

Discussion of what makes up a food chain and its significance. Includes some historical perspectives on developing the concept, and on how a pesticide called DDT affected food chains during the 1960's.

A lesson that helps students understand food chains and food webs. With the background information, interactive activity, and extensions, students will see the interconnectedness and interdependence of organisms. Activity has students...

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...

The difference between food chains and food webs is explained.

Describes how a food chain works in a desert and how the Mojave desert food chain works in particular.

This lesson explains the role plants play in the conversion of inorganic materials into organic material to support living things. It is 2 of 3 in the series titled "The Role of Plants in the Food Chain."

This lesson explains the role plants play in the conversion of inorganic materials into organic material to support living things. It is 3 of 3 in the series titled "The Role of Plants in the Food Chain."

Explains what a primary consumer's role in a food chain is and provides examples.

For this lesson, students learn about marine food webs and pyramids, and how energy flows through a marine ecosystem. They then research a marine organism and its role in a marine food web. The class pools their information to create a...

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.