A phylogenetic tree is a diagram that represents evolutionary relationships among organisms. It should be noted here that Phylogenetic trees are so useful because they provide the historical narrative for explaining the similarities and differences among those entities placed on the tree. With EdrawMax Online, you can create similar phylogenetic tree diagrams for your usage. The free phylogenetic tree maker offers tons of customization and has a good remote team collaboration. As the below diagram illustrates, Phylogenetics is the study of evolutionary relationships among biological entities – often species, individuals, or genes (which may be referred to as taxa).