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Teeth from sharks and rays can be used to study ... the researchers examined three species with different tooth structures: cownose rays, gummy sharks, and broadnose sevengill sharks.
Teeth from sharks and rays can be used to study ... the researchers examined three species with different tooth structures: cownose rays, gummy sharks, and broadnose sevengill sharks.
Laura Holmes with a Sevengill shark jawTeeth from sharks and rays can be used to study their diet, but one of the biggest challenges in shark science ...