Craniate with well-defined heads, thus excluding members of the chordate subphyla Tunicata (tunicates) and Cephalochordata (lancelets), but including Myxini, which have cartilaginous skulls and tooth-like structures composed of keratin. Craniata also includes all lampreys and armoured jawless fishes, armoured fish, sharks, skates, and rays, and teleostomians: spiny sharks, bony fish, lissamphibians, temnospondyls and protoreptiles, sauropsids and mammals. The craniate head consists of a brain, sense organs, including eyes, and a skull. In addition to distinct crania (sing. "cranium"), craniates possess many derived characteristics, which have allowed for more complexity to follow. Molecular-genetic analysis of craniates reveals that, compared to less complex
What Are Words went number one in Sweden on July 1, 2011 and remained for 8 straight weeks. It was awarded a 2X platinum certification in Sweden on September 20, 2011. What Are Words "What Are Words" is a hit song written by Rodney Jerkins, Andre Lindal and Lauren Christy, and performed by American singer Chris Medina. It was released on February 25, 2011, the day after his surprising elimination on the reality TV show American Idol. The song is a tribute to his fiancée who suffered a brain injury as the result of a car wreck and is about promises, commitment and