Classification and Phylogentic Trees Tutorial

One of the best ways to show the evolutionary history of an organism is through a special type of diagram called a phylogenetic tree.   Explore the websites below to understand how scientists classify organisms using 3 examples.     Record the classifications on your worksheet.  Use the back button in your web browser to return to this page.

NOVA: Classifying Life

Next, browse the Tree of Life Webpage to see a phylogenetic tree for all life on earth.

Tree of Life Web Project Home Page