Fact 1: Vertebrates are all chordates that have a backbone.

Fact 2: All chordates have jaws.

Given the two facts above, answer the question "What do all vertebrates have?" with the following options: 
- fur and fat
 - sensory neurons
 - Veins and arteries.
 - four limbs
 - jaws and scales
 - a slimy coat
 - jaw and a backbone
 - feathers


 

       jaw and a backbone  