A Great Dane and a Chihuahua.
The same species? How is that possible?
http://www.pbs.org/wgbh/nova/dogs/
How is it that the dog, alone among Earth's species, comes in so many shapes and sizes? Find out here through articles, pictures. Attached is a teacher’s guide. There is a video that can be purchased … I don’t think it can be downloaded.
Find information about dog breeds here.
http://www.digitaldog.com/breeds/
More information about dog breeds here.
A brief description about the evolution of a dog.
http://www.pbs.org/wgbh/evolution/library/01/5/l_015_02.html
Origins and ancestry of the dog.
http://www.workingdogweb.com/DogOrigins.htm
American Temperament Test Society. Includes breed statistics for ATTS title.
http://www.atts.org/index.html
Information about all pure breeds and cross breed in alpha order. Includes photos.
http://www.dogbreedinfo.com/a-z.htm
DNA, Genes, Heredity for kids. Interactive games. From Glaxo/Smith Kline. http://www.genetics.gsk.com/kids/heredity02.htm
Are you a little confused by all the talk about DNA and genes? Try this animated tour! The Basics and Beyond.
http://learn.genetics.utah.edu/units/basics/tour/
