The scales tag has no wiki summary.
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Do the majority of fish lack scales on their heads?
Based on pictures, it seems to me that a vast majority of fish species that have scales do NOT have scales on their heads.
Is that fact true?
To make this properly answerable:
lets' define a ...
7
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2answers
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Did human hairs actually evolve from scales?
What is the evolution of hairs? Did they evolve from scales?
