Vertebrates are all chordates that have a backbone.
Invertebrates are animals who lack a backbone or spinal column.
Vertebrates are all chordates that have a spinal column.
What do all vertebrates have that invertebrates don't?

* sensory neurons
* fur and fat
* bones and joints
* a jaw bone
* kinetic energy
* Chemical energy
* a spinal column
* a set of gills