8 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. Plants & Fungi

   Carnivorous Plants

   teeth and carrying a few stiff trigger hairs inside. An insect walking across the lobe brushes

   Article · 4 min read

   

4. Life & Biology

   Evolution

   teeth and clawed fingers, and humans with small brains and ape-like bodies fill in the transitions

   Article · 4 min read

   

5. Planet Earth

   Rocks, Minerals and Fossils

   teeth can be mineralised, their pores filled with dissolved stone until the original is replaced by rock

   Article · 4 min read

   

6. Life & Biology

   Dinosaurs and Mass Extinctions

   teeth, clawed fingers and a long bony tail. By the end of the Cretaceous, true birds

   Article · 3 min read

   

7. Animals

   Birds

   teeth and jaws of their dinosaur ancestors have been replaced by a light horny beak.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

   Article · 3 min read

   

8. The Human Body

   Digestion

   Teeth crush and grind food into smaller pieces, increasing the surface area for chemicals to work

   Article · 4 min read