Nonvertebrate chordates, tunicates, and lancelets differ from other chordates in that
A) they do not have a notochord.
B) they have gills, while other chordates have lungs.
C) they do not have jaws, while all other chordates do have them.
D) the notochord of nonvertebrate chordates does not become a vertebral column.
E) nonvertebrate chordates do not have an internal bony skeleton, while all other chordates do.

Question

Quizplus · Accepted Answer

Nonvertebrate chordates, tunicates, and lancelets have a notochord but it does not develop into a vertebral column like it does in other chordates. This is the main difference between nonvertebrate chordates and other chordates.

Nonvertebrate Chordates, Tunicates, and Lancelets Differ from Other Chordates in That