Written by the Fiveable Content Team โข Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examโขWritten by the Fiveable Content Team โข Last updated September 2025
Definition
In phylogenetics, nodes are points on a tree where a lineage splits into two or more separate lineages. They represent the most recent common ancestor of the lineages that branch from them.