The theory proposes that the [[embryo|embryological]] development of an [[organism]] mirrors the [[evolution|evolutionary]] history of its [[species]]. The theory has long since been disproven, as with countless attempts to make evolution stick. | The theory proposes that the [[embryo|embryological]] development of an [[organism]] mirrors the [[evolution|evolutionary]] history of its [[species]]. The theory has long since been disproven, as with countless attempts to make evolution stick. |