The type of anatomic structure of wisdom teeth is vestigial structures.
Hence, the correct option is option (A).
Vestigial structure are the structures are used in science to describe structures like organs, tissues, or bones that may have been used by ancestors but they aren't anymore. Vestigiality biologically refers to the organisms keeping the organs that have apparently lost their original function.
Vestigial structure are frequently called vestigial organs, even though many of them are not actually organs. Vestigial features are of various forms, like, patterns of behavior, anatomical structures, or biochemical processes.
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