Styles of phylogenetic trees for evolutionary biology

Abstract: There are many different ways phylogenetic trees can be drawn. A previous video discussed when differences do NOT impact interpretation. This video describes important features of trees that do impact their interpretation, such as the presence of a time scale or variable branch lengths.

Keywords:
Phylogenetic tree
Cluster analysis
Extant species versus extinct species
Phylogram
Spindle diagram
Branch lengths
Chronogram
Divergence
Scale bar of phylogenetic tree

Slides available here:

Dashboard for course here:

By Dr. Nathan Brouwer, University of Pittsburgh.