Packed with visual aids and multiple learning opportunities, an engaging exercise challenges individuals as they explore the role of producers, consumers, and decomposers. After discussing differences between food chains, food...

From tiny organisms to entire biomes, young scientists examine the interdependent relationships tying all living and non-living things together with this collection of ecology resources.

Breath new life into your class's study of dinosaurs with this extensive collection of materials. Offering everything from a printable T-rex mask, word searches, and connect-the-dots activities to informational handouts, hands-on...

An easy-to-read entry on herbivores which explains not only what herbivores are, but also the different kinds of herbivores and their diets.

A description of what an omnivore really eats. There are a lot of related links off to the right.

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

This site discusses the diet and digestion in all sorts of mammals, including herbivores, omnivores, and carnivores. Read about different kinds of animals and their different dietary preferences.

This entry identifies the defining characteristics of the various diets of animals, including those that are herbivores, carnivores and omnivores.

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

Ecosystems contain two kinds of commodities: matter (nutrients) and energy. Nutrients cycle through the ecosystem, available for repeated use by organisms. These cycles of use and reuse are called biogeochemical cycles. Energy instead is...

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.

A nicely illustrated and informative site on dinosaurs from the Cambrian period until the Quaternary period.

A very informative site that discusses food chains and webs in detail. Not too complicated and fairly easy to understand, it also includes some pictures.

How would you define an ecosystem? Check out this educational resource to learn more about the living and nonliving parts of different ecosystems.