7 Axial skeleton an der Wageningen University

Ribs of primitive tetrapods are bicipital this means that:

Why is the evolution of the vertebral column in fishes and tetrapods complicated?

The bases of the ventral arches expand from the centra were they meet the notochord, what is the function of the centra?

Which one the the oldest; notochord or vertebral column?

Name the components of the vertebral column in most fishes

Name the components of the vertebral column in early tetrapods

What are aspondyly?

Give the two components of the axial skeleton

The ventral arches; 

hemal and interhemal arches:

The dorsal arches; 

neural and interneural together (function):

Describe the vertebral column in protovertebrae

The vertebral segments composing the axial column tend to become regionally differentiated within the vertebral column they define; true or false?