Vestigial structures are the remnants of a structure that may have had an important function in a species' ancestors, but has no clear function in the modern species.
N humans the vermiform appendix is a vestigial structure<span>; it has lost much of its ancestral function. Vestigiality refers to genetically determined </span>structures<span> or attributes that have apparently lost most or all of their ancestral function in a given species, but have been retained during the process of evolution. hope that helped</span>
