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The vertebral column is the defining characteristic of a vertebrate, in which the notochord found in all chordates has been replaced by a segmented series of bones—vertebrae separated by intervertebral discs. The vertebral column houses the spinal canal, a cavity that encloses and protects the spinal cord
Greenhouse gases contributes the most
Carbon because in the carbon cycle it’s recycled by plants and animals continuously in the atmosphere where it can also turn into organic carbon in the ground.
An extinct language is the term for a language no longer spoken
1. They play dead when faced by a predator.
2. They travel in schools of about 12.
3. Males establish their dominance by having sword fights with their spines and showing off their bright colors.
