As scientists piece together the finer details of the branching patterns (that is, evolutionary relationships), they are able to construct more and more accurate tree diagrams. But how do they ...

Tree diagrams have been used in evolutionary biology since the time ... Most phylogenetic trees are rooted, meaning that one branch (which is usually unlabeled) corresponds to the common ancestor ...

These diagrams ... of their evolutionary history. In other words, if you list all the traits of a living species, you can assume that each trait arose on an ancestral branch somewhere in that ...