25. Phylogeny

A taxon __________.

Which of the following is the correct taxonomic name for the African forest elephant?

According to a typical phylogenetic tree of animals, which phylum is most closely related to Chordata?

Select the correct statement about phylogenetic trees.

In a phylogenetic tree, how is the total number of separate species (both extant and extinct) typically determined?

Which is the best definition of a phylogenetic tree?

In the context of phylogeny, what causes a branch (node) to form in a cladogram?

According to the phylogenetic tree shown, which pair of organisms shares the most recent common ancestor?

Which type of phylogenetic tree displays trait marks on all branches where evolutionary changes occur?

Use the phylogenetic tree to the right to choose the true statement below.

In a phylogenetic tree, which organism is considered to have the longest evolutionary history?

Based on the phylogenetic tree shown, which species is most closely related to *Bos taurus*?

The approach to estimating phylogenetic trees is most similar to the approach of which species concept?

A phylogenetic tree is a visual representation of which of the following?