Thus, understanding the evolutionary history of living species amounts to understanding where on the tree of life these species' distinctive traits arose. Moreover, phylogenetic trees serve as ...

A fossil analysis suggests that the yunnanozoan, a wormlike fish ... history these skeletons emerged. Collectively, they write, the arches’ features suggest that yunnanozoans may be stem (early) ...

Phylogenetic networks are essential tools in understanding the evolutionary history of organisms. Unlike traditional phylogenetic trees, which depict linear evolutionary paths, phylogenetic ...

Scientists are pondering the classification of an ancient fish. The two specimens discovered ... of this species' position in ...

evolutionary biologists can infer how closely related they are and map out their evolutionary history. The result of this analysis is a phylogenetic tree, which illustrates the branching patterns ...