A time line showing Bird-Hipped (Ornithischia) dinosaurs.

For this lab, students will complete a field study about feeding relationships between organisms and present their findings in a food web as well as in a written narrative.

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

Diplodocus, a sauropod, "was the longest of the land animals" and its fossilized remains tell us much about its body type, weight, and diet. Read facts about this dinosaur and view several images showing what it looked like while alive.

This PBS Critter Guide site tells you how many quills the average porcupine has as well as other facts about this creature's natural history in text and pictures.

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.

This resource presents a brief overview of the Protoceratops.

Study a Corythosaurus up close with this concise resource from the Carnegie Museum of Natural History.

"I Like Plants" is a one page, realistic fiction, reading passage about a person who loves plants and became a botanist; now she teaches her college students about plants and ecology. It is followed by constructed-response questions...

[Free Registration/Login may be required to access all resource tools.] Describes the different roles in an ecosystem.

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

Flip over this interactive card to find fast facts, questions and answers, and other bite-size pieces of information about seismosaurus.

Flip this interactive card to start learning about the dinosaur, Huayangosaurus Taibaii. Answer multiple-choice and fact-or-fiction questions and review some fast facts about this primitive stegosaur.

[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.

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

This site provides a general overview of the hippopotamus. Content takes a look at what this animal eats, where it lives, who its predators are, and more. Several audio and video clips are also available.

This site provides a general overview of the dromedary camel. Content explores what this animal eats, its desert habitat, existing social structure, and more.

This site takes a very brief look at the muskox as an arctic creature. Several photographs are also provided.

Use this site to learn some amazing facts about the American Bison and their close brush with extinction.

Provides a detailed description of black rhinoceros. Information offered ranges from their physical description to special adaptations that they have.

Use this site for information on the Western Lowland Gorilla. The information consists of special adaptations the gorilla has had to make, what it looks like, where it is found in the wild, what it likes to eats, and what its...

This resource provides information about elk.

This resource provides information about red kangaroos.

Learn the difference between consumers and decomposers in the ecosystem.