Two structures that characterize humans as vertebrates are the _______, or brain case, and the backbone, or _______ column.
A) cephalic; caudal
B) cranium; caudal
C) cranium; vertebral
D) cephalic; vertebral

Question

Quizplus · Accepted Answer

The cranium, or brain case, is a key feature of vertebrates that protects the brain. The backbone, or vertebral column, is also a defining characteristic of vertebrates, providing support and protection for the spinal cord. Therefore, the best answer is C, as it accurately identifies both of these structures as characteristic of humans as vertebrates.

Two Structures That Characterize Humans as Vertebrates Are the _______