Sister taxa Sister taxa represent a polytomy. represent the common ancestor of taxa. diverge from all other lineages early in the history of the group. represent groups of organisms that share an immediate common ancestor.

Question

Biology

London Fox

27 February, 05:48

Sister taxa Sister taxa represent a polytomy. represent the common ancestor of taxa. diverge from all other lineages early in the history of the group. represent groups of organisms that share an immediate common ancestor.

+1

Answers (1)

Know the Answer?

Aryanna Armstrong · Answer 1

To find the most recent common ancestor of a set of taxa on a phylogeny tree, follow each taxon's lineage back in time (towards the base of the tree) until all the lineages meet up. That node represents their most recent common ancestor.