Fact 1: Vertebrates are animals that have a backbone.

Fact 2: All vertebrates have a backbone or vertebral column.

Given the two facts above, answer the question "Vertebrates are animals that have what?" with the following options: 
- major threat to health
 - the digestive system
 - characteristics
 - a three chambered heart
 - moving bones and joints
 - scales on their skin
 - a vertebrate column
 - aerobic capacity


 

       a vertebrate column  