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 Adel sings Caputo's parts as well. On the live album "An Acoustic Night at the Theatre", "What Have You Done" appears as a duet with Caputo once again, although Caputo's vocals were not recorded live. This song is available as a downloadable song in the games "Guitar Hero World Tour", "Guitar Hero 5", and "". In 2008, Dutch TV program "Koefnoen" made a parody on this song titled "What Am I Doing Here". These are the formats and track listings of major single releases of "What Have You Done". What Have You Done "What Have You Done" is the first