Arrange the following evolutionary innovations from most ancient to most recent.

Question

Deuterostome development

Vertebral column

Jaw

Cephalization

Answer 1

Depends on the definition of jaw:1-mechanism to open and close a mouth cavity, or 2:bony or cartilaginous structure in vertebrates

From oldest to most recent development.

Jaw1

Cephalization

Deuterostome Development

Vertebral Column

Jaw2

drsjp