What do phylogenetic trees illustrate? These diagrams don't just organize knowledge of biodiversity - they also show us that living species are the summation of their evolutionary history.

The same number of species (three blue circles) can have a very different phylogenetic diversity (the sum of the red branches on the tree connecting them) depending on how closely they are related.

Are the bones of several tiny individuals from the island of Flores the newest addition to our family tree, or are they the remains of diseased humans only masquerading as an extinct species?

The story of primates is a tale of incredible variety and ancient roots, told through the lens of science, DNA, and time ...

If you were to categorize these organisms into a family tree ... Instruct students to use Deep Tree to create a phylogenetic tree poster or digital presentation for the seven species that you ...