Homologous Structures

Definition

Homologous structures are parts of different organisms that have similar structure but not necessarily the same function, indicating a common ancestry.

Related terms

Analogous Structures:

These are body parts in different species that perform a similar function but have evolved separately, thus do not share common ancestor.

Evolutionary Biology:

The study of the origin and descent of species over time.

Phylogeny: The evolutionary history and relationship of an individual or group of organisms.