Two years into an Arctic expedition, they were forced to abandon ship a thousand miles north of Siberia. The Best Nonfiction Books of 2014 William OâConnor December 14, 2014 Going to the library was like a treasure hunt, an expedition.
The vertebral column, also known as the backbone or spine, is part of the axial skeleton. The vertebral column is the defining characteristic of a vertebrate, in which the notochord (a flexible rod of uniform composition) found in all chordates has been replaced by a segmented series of bonesâvertebrae separated by intervertebral discs.
Answer #1 | 08/12 2015 05:11. Animals with a backbone or spine are called vertebrates; humans are included in this group as we have a vertebra or spinal column. vertebrates! Vertebrates .. and it is TRULY depressing that someone is down thumbing that answer.