Chordates are any organisms that have:
A) a brain.
B) a spinal cord.
C) a peripheral nervous system.
D) a brain and a spinal cord.

Question

Quizplus · Accepted Answer

Chordates are defined by the presence of a notochord, dorsal nerve cord, pharyngeal slits or pouches, and a post-anal tail. The dorsal nerve cord eventually becomes the brain and spinal cord, therefore all chordates have both a brain and a spinal cord.

Chordates Are Any Organisms That Have