Lophotrochozoans have traits that are present in some but not all species. Which of the following traits is NOT one of the characteristic traits of this superphylum? a) A specialized feeding structure that rings the mouth called a lophophore. b) spiral cleavage during embryonic development. c) radial cleavage during embryonic development. d) a type of ciliated larva called a trochophore. e) they grow incrementally.