TLS Online TPP Program

#Question id: 8904


Terry takes the body of the snakelike organism and slices it open along its dorsal side. If it is a hagfish, what should Terry see?

#XL - T Zoology
  1. a well-developed series of bony vertebrae surrounding the spinal cord
  2. a well-developed series of cartilaginous vertebrae surrounding the spinal cord
  3. a tube of cartilage (surrounding the notochord) with dorsal projections on both sides of the spinal cord
  4. a notochord, located underneath the spinal cord.