This picture shows an example of:

many phylogenetic trees have a single lineage at the base representing a common ancestor. a lineage that evolved early from the root and remains unbranched is called basal taxon. when two lineages stem from the same branch point, they are called sister taxa.

can i get the brainliest pls

explanation:

d) center of the mid-ocean ridge

give brainleysest

sinserly,

steckh986

b.have there own function.