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...

A video and a short multiple-choice quiz on food chains that explains how energy flows through the chain, beginning with plants.

[Free Registration/Login Required] An informational text explaining important vocabulary involving the food chain. A question sheet is available to help students build skills in reading comprehension.

Students 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...

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...

Starts with living and non living and works through producers, consumers, food chains and food webs.

[Free Registration/Login Required] Through this flipchart students will be able to summarize and organize simple food chains.

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.

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...

[Free Registration/Login may be required to access all resource tools.] Producers make their own food through photosynthesis. But many organisms are not producers and cannot make their own food, but must get their energy from other...

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.

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

This lesson focuses on the organization of an ecosystem. The feeding relationships between organisms in an ecosystem can be seen in food chains. Sampling allows us to measure the abundance and distribution of these species. It provides...

[Free Registration/Login may be required to access all resource tools.] Based upon the way organisms acquire their energy students will understand how to group them as consumers, decomposers or producers.

Students learn about Abiotic and Biotic Factors and how they affect the ecosystem in which an animal might live in.

Students explore the biosphere's environments and ecosystems, learning along the way about the plants, animals, resources and natural cycles of our planet. Over the course of lessons 2-6, students use their growing understanding of...

Take this interactive, multiple-choice quiz over concepts in ecology, then review your score and any missed questions at the end.

[Free Registration/Login may be required to access all resource tools.] Humans could not live on Earth if it were not for protists. Why? Protists produce almost one-half of the oxygen on the planet, decompose and recycle nutrients that...