Whales and some other cetaceans have unusable leg bones as a vestigal structure.
DSB
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The vestigal feature of a kiwi is it's wings.
In humans the appendix is a vestigal organ and has no function that we are currently aware of.
vestigal
yes, they have 2 pairs, one is a vestigal structure, the other is used for sensory functions :)
Vestigal Structures.
Vestigal organ
Hypoplasia, rudamentary, or vestigal, are all words that can be used to describe something that is underdeveloped.
Vestigial structures are anatomical structures of organisms in a species which are considered to have lost much or all of their original function through evolution.
A compact disc player could read no disc because there is no disc in the player. It could also read no disc because the disc in not compatible or readable.