Question

name the vestigial organ which is useful and functional in rumunants​

Answer 1

Answer:

Vestigial structures are often homologous to structures that are functioning normally in other species. Therefore, vestigial structures can be considered evidence for evolution, the process by which beneficial heritable traits arise in populations over an extended period of time.

Explanation:

Answer 2

Answer:

how can a vestigial organ be useful ????

once an organ becomes vestigial it is not useful

Vestigiality is the retention during the process of evolution of genetically determined structures or attributes that have lost some or all of the ancestral function in a given species. Assessment of the vestigiality must generally rely on comparison with homologous features in related species.