Question

Odd one out in skull,vertebrae,sternum,pelvic girdle.why?

Answer 1

pelvic is the answer

Answer 2

The odd one out in skull, vertebrae, sternum and pelvic girdle is the vertebrae.

The reason why vertebrae are the odd one out is that skull, sternum, and the pelvic girdle all are compound bones except the vertebrae which are a single bone.

A compound bone means that it is made up of more than two bones attached together.