General Studies · Evolutionary Psychology
The human belly button is considered a ___________; it serves no direct adaptive function itself and is merely a byproduct of the umbilical cord.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Exaptation
- 2Spandrel✓
- 3Analogy
- 4Homology
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Spandrel
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