A characteristic that is independently acquired by reversal or convergent evolution exhibits homology.

Convergent Evolution

A process where organisms not closely related independently evolve similar traits as a result of having to adapt to similar environments or ecological niches.

Homology

The existence of shared ancestry between a pair of structures, or genes, in different species.

Reversal

The act of changing direction, position, or an earlier decision, often used in various contexts including behavior, decision-making, and physical movements.