Chordate of the three subdivisions of chordates, all have distinct skulls. They include the hagfish, which have no vertebrae. Michael J. Benton commented that "craniates are characterized by their heads, just as chordates, or possibly all deuterostomes, are by their tails". Most craniates are vertebrates, in which the notochord is replaced by the vertebral column. These consist of a series of bony or cartilaginous cylindrical vertebrae, generally with neural arches that protect the spinal cord, and with projections that link the vertebrae. However hagfish have incomplete braincases and no vertebrae, and are therefore not regarded as vertebrates, but as members of
What Have You Done for Me Lately Lately?'". The song was also included on Jackson's Unbreakable World Tour (2015–16). During the 2017-2018 State of the World Tour, it was performed interpolating Cardi B's "Bodak Yellow". "What Have You Done for Me Lately" is regarded as one of the singer's singles which helped establish her as a known artist. Upon its debut, it was compared favorably to similar recordings of female empowerment released by black women, such as "New Attitude" by Patti LaBelle, "Better Be Good to Me" by Tina Turner and "Sisters Are Doin' It for Themselves" by Aretha Franklin. Oprah Winfrey commented: "What you're seeing in