Moreover, phylogenetic trees serve as extremely powerful tools ... the concept of relatedness is defined in terms of recency to a common ancestor. As a result, the question "Is species A more ...

This example illustrates the fact that a phylogeny is, at its most basic level, a history of descent from common ancestry. Phylogenetic trees are fractal in the sense that the same pattern is ...

The mystery of life’s beginnings has long captivated scientists. Central to that search is LUCA—the last universal common ...

This activity asks you to assume the role of an evolutionary biologist to determine the phylogenetic tree ... structures indicate descent from a common ancestor.

The grey skulls were drawn from the sample used to model the skull of the virtual ancestor, shown in red. From left to right: KNM-ER 3733 (H. ergaster), La Ferrassie (H. neanderthalensis), Qafzeh ...