This diagram is an example of a simple phylogenetic tree. In most cases, researchers draw phylogenetic trees in such a way as to record only those events that are relevant to a set of living taxa.

One especially influential example arrived with Darwin's On the Origin of Species, in 1859. In it, Darwin relied on a diagram called "The Tree of Life" to help explain his theory of evolution ...

This "tree" takes the form of a diagram that maps the relationships ... Take Eukarya, for example. This huge branch includes all multicellular life. Over the course of millions of years, it ...

Tree Diagram B. There are two drink choices ... is a very different style of presenting the information. However, this is a good example of a description which is not necessarily easy for the student ...

This example illustrates a nonstandard use of PROC NETDRAW. The TREE option in PROC NETDRAW is used to draw ... PROC NETDRAW uses a modified layout of the nodes to produce a diagram where the nodes ...

This example illustrates the use of PROC NETDRAW to draw two networks that represent different schematic flows. The first network does not contain any cycles, while the second one has one cycle; to ...