3 results for “teeth”

1. Animals

   Sharks

   teeth. Shark teeth are not rooted in the jaw but held in the gums, in rows

   Article · 3 min read

   

2. Animals

   Whales and Dolphins

   teeth. Instead the upper jaw carries hundreds of plates of baleen, a bristly material like fingernail

   Article · 4 min read

   

3. Animals

   Birds

   teeth and jaws of their dinosaur ancestors have been replaced by a light horny beak. The breastbone

   Article · 3 min read