Teeth in the animal kingdom are far from boring; from sharpened scales of sharks to the unique denticle structures, their diverse adaptations highlight evolutionary ingenuity.
Sharks possess denticles—tooth-like scales that serve multiple functions such as decreasing drag in water and providing protection against larger predators and parasites alike.
The diversity of shark denticle shapes illustrates the adaptive nature of evolution, showing how these scales not only aid in swimming but also serve protective roles.
There are two prevailing theories regarding the origin of teeth, demonstrating the ongoing debate in paleontology about how these crucial structures evolved across different species.
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