Illustration of a phylogenetic tree depicting the evolutionary relationships between Bacteria, Archaea, and Eukaryota, with examples from each group.

Phylogenetic tree showing the evolutionary relationships among the three domains of life: Bacteria, Archaea, and Eukaryota, with notable groups in each category.

Phylogeny

Category: Animal Biology Date: November 8, 2024

Definition of Phylogeny

Phylogeny refers to the evolutionary history and relationships among species or groups of organisms. By studying phylogeny, scientists can trace the lineage and ancestry of different animal groups, helping to understand how various species evolved and are interconnected.