Phylogenetic trees are fractal in the sense that the ... which correspond to inferred speciation events, are called nodes. Each node represents the last common ancestor of the two lineages ...

Chapter 7: Speciation and hybridization. In Molecular Markers ... a relatively rare opportunity to calibrate the molecular clock against a well-documented pattern of geological change as well as ...

What do phylogenetic trees illustrate? These diagrams don't just organize knowledge of biodiversity - they also show us that living species are the summation of their evolutionary history.

The Evolution Lab contains two main parts: Build A Tree: Students build phylogenetic trees themed ... scope of deep time and the points at which speciation occurred throughout evolutionary history ...

Such a phylogenetic tree would use molecular sequence data ... in different primate clades could better be explained by unique speciation rates, with some primate lineages generating new species ...