Fact 1: Vertebrate chordates have a backbone.

Fact 2: Invertebrates have no vertebrae or backbone.

Given the two facts above, answer the question "What kind of animal is classified as having a vertebrae?" with the following options: 
- it keeps an organism warm
 - invertebrate
 - vertebrate chordate
 - gastropod shells
 - the body's largest organ
 - remains of prehistoric life
 - hard boned animals
 - roundworm


 

   vertebrate chordate      