what are vestigial organs...???
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A "vestigial structure" or "vestigial organ" is an anatomical feature or behavior that no longer seems to have a purpose in the current form of an organism of the given species. Often, these vestigial structures were organs that performed some important function in the organism at one point in the past. However, as the population changed due to natural selection, those structures became less and less necessary until they were rendered pretty much useless. They are believed to be leftovers, only vestiges of the past...
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Organs which are present in reduced form and are of no use to the possessor but were functional organ in the ancestor and also related forms are called vestigial organs.
For example : vermiform appendix, nictating membrane etc.
For example : vermiform appendix, nictating membrane etc.
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