Analogous Structures in AP Biology

Definition

Analogous structures refer to body parts that have similar functions but different evolutionary origins. They are not derived from a common ancestor.

Related terms

Convergent Evolution:

The process by which unrelated organisms evolve similar traits due to similar environmental pressures.

Adaptive Radiation:

The diversification of a single ancestral species into multiple new species, each occupying a distinct ecological niche.

Vestigial Structures:

Body parts that no longer serve a clear function in an organism, but were functional in its ancestors.