An earful of gill: Evolutionary origin of the mammalian outer ear

ScienceDaily
Jan 9, 2025, 12:55 pm59 pts
A recent study has uncovered the surprising evolutionary origin of the mammalian outer ear, linking it to the gills of ancient fish and marine invertebrates. The research reveals that both structures are composed of elastic cartilage and shares gene control elements that hint at their connection. This finding…

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