Question

6.
Define vestigial organs. Write names
of some vestigial organs in human
body and write the names of those
animals in whom same organs are
functional​

Answer 1

Answer:

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

Structures that have no apparent function and appear to be residual parts from a past ancestor are called vestigial structures. Examples of vestigial structures include the human appendix, the pelvic bone of a snake, and the wings of flightless birds.

Answer 2

Explanation:

The organs present in the body which is non-functional and is incompletely developed are vestigial organs." The examples of vestigial organs - Wisdom teeth, vermiform appendix, ear muscles, coccyx, caecum, nictitating membrane etc. in human are the examples of vestigial organs.