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The human APPENDIX is a classic example of a:

AVestigial organ (lost original function)
BHomologous organ (same origin)
CAnalogous organ (similar function)
DAdaptive organ (newly evolved)
Answer & Solution
Correct answer: A. Vestigial organ (lost original function)
The appendix is a VESTIGIAL organ, once important for digesting plant fibre in our herbivorous ancestors. In modern humans, it serves little digestive purpose. **Other vestigial organs:** wisdom teeth, coccyx, ear muscles.
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