The Tree of Life Web Project contains information on living organisms including their history and characteristics. Over 3,000 web pages are linked together uniting all living things.

Everything that you could possibly want to know about cockatiels is located on this site. You can order books or even join a mailing list on this site.

Instructional module focusing on biological classification. Discussion includes Carolus Linnaeus' taxonomic classification system for organizing and classifying living things. Site also includes an interactive practice quiz and links...

Instructional module focusing on binomial nomenclature. Discussion includes Carolus Linnaeus' taxonomic classification system for naming all species. Site also includes an interactive practice quiz and links relating to the topic.

Find the human ancestor you are interested in and click on it either in the timeline or the list below for more details. Each fossil or reconstruction pictured includes links to more details about it.

Learn about the anthropologist Donald C. Johanson, Ph.D. who discovered the Lucy skeleton. Read about his background and achievements, listen to an interview, and view a gallery of pictures.

This resource takes an exploratory look at duikers, small antelopes that inhabit forest or dense bushland in East Africa. Content includes information on the duiker's physical characteristics, habitat, behavior, diet, caring for the...

At the online companion Web site of "Evolution," the seven-episode series on PBS, piece together clues to how one of our early ancestors looked as you examine images from four significant fossil finds of Australopithecus afarensis.

The Canis genus has as its member's jackals, wolves, the coyote, and the domestic dog. Members of the genus are found on every continent except Antarctica, the dingo having been introduced to Australia a few thousand years ago. Learn...

The Encyclopedia of Life presents this in-depth overview of Slow Lorises (Nycticebus), including their habitats, size, conservation status, and much more. Images of this genus and maps of its global distribution can also be found here.

Describes habitats of red algae. Also has pictures of various genus of red algae, with descriptions.

This resource contains information on the Thomisidae family and offers plenty of pictures. Includes a section on the mating habits of the Genus Xysticus.

Falcons, hobbies and kestrels are all in the genus Falco. In general terms, the larger birds are falcons; the smaller swift ones possessing long, narrow wings are hobbies and; those that hover while hunting for prey are the kestrels....

Elk, red and sika deer is a genus of large mammals native to large parts of Europe, Asia, and North America. Their adaptability is almost legendary and has been instrumental in their successful introductions into many other areas of the...

Electric eels are truly electric. Yes! They are able to produce an electric charge which they use to hunt as well as scare off predators. They are the only species in the genus Electrophorus able to produce electricity. Even though its...

FlyBase is a database of drosophila genes and genomes. Drosophila is the genus of small flies, fruit flies, for example.

Discusses many aspects of information pertainingto organism classification. Provides links to other areas in biology as well.

A brief, but informative paragraph describing the parasitic nature of sporozoans, part of a larger page about single-celled organisms.

Explore the world of the American Bittern through this clear and concise resource. This site features information on the habitat, characteristics, diet, behavior and more of this fascinating bird.

The Smithsonian offers students a background on what archaeology is and what an archaeologist does. Several lesson plans are also provided.

PBS profile of the Leakeys--Louis, Mary, Richard, and Maeve--discusses their finds at Olduvai Gorge and family relationships. Related links.

Can you name any characteristics specific to the American Bison? This site provides information pertaining to this magnificent mammal. Find out about reproduction, habitat, food, behavior, sounds they make, and more when you explore this...

The little cave man guy with a club welcomes you to the site. Did early man look like him? Mr. Donn has put together a Cheat Sheet of Who's Who of Early Man beginning with the famous Lucy and ending with men that looked a lot like us!

The short-finned pilot whale is one of two species of the genus Globicephala living in North American waters, mostly in tropical to temperate waters of the continental shelf. "Globicephala" translates directly to the most prominent...