A clade or monophyletic group is easy to identify visually: it is simply a piece of a larger tree that can be cut away from the root with a single cut (Figure 4a).

Australian and South American marsupials are color coded. As you can see, Dromiciops, Monito del Monte, is nested within the monophyletic clade which includes all the Australian mammals.But, the ...

The profusion of genomic data has allowed biologists to resolve one of the longest standing and most contentious issues in zoology — the relationship between vertebrates and other animals.