all chordates have what?
food and shelter aerobic capacity flow of electrons gastropod shells a cuticle evolved jaws layers of fat sensory neurons
A B C D E F G H
Later on, vertebrates evolved jaws.
all chordates have evolved jaws
all chordates have what? (A) food and shelter (B) aerobic capacity (C) flow of electrons (D) gastropod shells (E) a cuticle (F) evolved jaws (G) layers of fat (H) sensory neurons