In this amazingly comprehensive tutorial you will learn about the geological and environmental changes that occurred during the geologic time scale.

[Free Registration/Login Required] Paleontologists in Colorado recently discovered more and different types of dinosaur tracks along the path known as the Dinosaur Freeway in Colorado and nearby states. This passage is followed by a...

This resource presents detailed information about the hippotpotamus, including several photos and an audio clip.

Create the parameters of your own ecosystem by choosing which producers and consumers live there. Visualize how the food web operates and species populations change. This simulator mimics the food web within a typical ecosystem and gives...

Get the facts about the Bactrian Camel. Information includes where it lives in the wild, its niche environment, what its diet consists of, what it looks like as well as its reproduction habits.

Learn the difference found in this species of zebra, where it is found in the wild, how it has adapted to its niche environment, what it eats, and its reproduction habits.

Multi-media National Geographic site includes video and audio clips about hippopotamuses. Fun facts are great for students doing research projects and you can send a postcard to a friend.

This multi-media National Geographic site includes video and audio clips and fun facts all about giraffes. Students can even send a postcard to a friend.

Giant Pandas only live in the mountains of southwest China. This article focuses on Giant Panda habitat, diet, life cycle and reproduction. Extensive information is given on panda babies and the contrast between life in the wild and life...

[Free Registration/Login may be required to access all resource tools.] When an herbivore eats a plant, the energy in the plant tissues is used by the herbivore. Every time energy is transferred from one organism to another, there is a...

Comprehensive reference information about the elk, or red deer. Includes taxonomic classification, specimens, and other details about this browsing herbivore and its relationship with the environment.

With some of the most advanced chewing apparatus ever developed by a reptile, ornithopod dinosaurs became a most successful group of herbivorous dinosaurs. They rapidly became a prominent feature on North America's Cretaceous landscape,...

Students learn about energy and nutrient flow in various biosphere climates and environments. They learn about herbivores, carnivores, omnivores, food chains and food webs, seeing the interdependence between producers, consumers and...

[Free Registration/Login may be required to access all resource tools.] About 10,000 bird species belong to 29 different orders within the class Aves. The diversity among birds is striking. Birds can vary greatly in size and color. Some...

A great site with something for all grades. Do research on rainforests, follow field research on animals in Latin America, and show what you know through interactive assessments. Lots to see on this site which is a collaboration of...

This resource provides extensive information about the antelope, including several photos. [1:08]

This resource presents detailed information about the koala, including several photos and a video clip. [0:12]

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

Resource takes an exploratory look at the zebra. Content includes information on this animal's physical characteristics, habitat, behavior, diet, care of the young, predators, and more. Recent news about zebras is also included.

This excellent resource from the San Diego Zoo presents extensive information on the desert tortoise including details about its habitat, physical characteristics, size, diet, family life, conservation status, and fun facts.

Learn about a dinosaur whose name means "Dragon King of Hogwarts." From the fossils of the newly discovered Dracorex hogwartsia, we learn about the dinosaur's unique physical features.

The Maiasaur is a kind of hadrosaur, a dinosaur that lived in the Upper Cretaceous Period. Much of what is known about the Maiasaur came from the fossils found at Egg Mountain in Montana. Jack Horner, a well known paleontologist,...

Read about paleontologist John Horner's 1978 discovery: a new dinosaur, the Maiasaura. Learn what this large creature's fossil tells us about the Maiasaura's diet and physical features. Click on "See the skeleton" for an interactive tour...

Explore the world of the Black-tailed Jackrabbit when you visit this educational site. This site features information on the habitat, characteristics, range, diet and more of this fascinating placental.