BioEd Online
Bio Ed Online: Introduction to Biological Classification
In the following video you will learn how classification is a continually evolving scientific effort to group organisms based on knowledge gathered from different fields. You will also learn how it helps to define the relationships among...
Bozeman Science
Bozeman Science: Cladograms
Paul Andersen shows you how to construct a cladogram from a group of organisms using shared characteristics. He also discusses the process of parsimony in cladogram construction. He then explains how modern cladograms are constructed and...