Encyclopedia of Earth
Encyclopedia of Earth: Evolutionary Biology: Mammal
Article explaining the basic characteristics of mammals, their diet, reproduction, behavior, conservation concerns, taxonomy, and their evolution. (Published: September 23, 2010)
Palomar Community College District
Palomar College: Class
In the animal kingdom, there are seven living classes in the phylum Vertebrata. The Palomar College shares detailed information on each of these classes. Includes examples and photos as well as a follow-up quiz.
PBS
Nh Pbs: Nature Works: Bighorn Sheep
Learn more about the bighorn sheep through this informative resource. Students will gain a deeper understanding of the bighorn sheep's habitat, reproduction, behavior and more.
Estrella Mountain Community College
Estrella Mountain Community College: Class Mammalia: Got Milk?
This resource contains general information about the class Mammalia and their unifying characteristics.
Wikimedia
Wikipedia: Mammal
Wikipedia, an open-source encyclopedia, provides great information on mammals. Content includes a look at mammal characteristics, origins, classification, and more.
McGraw Hill
Glencoe Biology: Mammal Characteristics: Self Check Quiz
Try these five multiple-choice questions about mammal characteristics. After submitting answers, students can review the material.
University of California
University of California Irvine: Evolution of Mammals
A strong, comprehensive look at the evolution of mammals. Includes factors such as changing geologic structure of the earth and the different types found on different continents.
Orpheus Books
Q Files: Life: Mammals
Check out the facts about mammals from diversity to their social groups.
PBS
Nh Pbs: Nature Works: Polar Bears
This site created by NatureWorks focuses on the Polar Bears. The content of this resource includes a look at this species' characteristics, range, habitat, diet, behavior and life cycle.
University of Michigan
Bio Kids Critter Catalog: Mammals
This comprehensive site defines mammals in general and then focuses specifically on mammals found in southeastern Michigan. A complete description is given of each mammal along with pictures, sounds, specimens, and classification...
California Academy of Sciences
California Academy of Sciences: Echinoderm Webpage
Resource provides a brief overview of echinoderms. Includes pictures and links for more information.
University of California
Ucmp: Eutheria: Systematics, Part
A cladogram that gives the evolutionary relationship between the different groups of mammals. Modern relationship drawing, somewhat difficult to interpret.
Other
Warrensburg Schools: The Evolution of Mammals
This site from Warrensburg Schools is a high school site that touches on most of the major information in the most common account of the evolution of mammals.
Other
Twow:the Gradual Evolution of Mammals
An interesting page, full of references that discusses the evolution of mammals. High level discussion.
Enchanted Learning
Enchanted Learning: The Evolution of Mammals
A good and easy to read history of mammals. Relatively brief discussion of the evolutionary history.