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
Animals Are Beautiful People desert, with the narrator saying: "You'd think nobody could make a living here." But the film proves the opposite and shows the lives of the animals that live there. The narrator concludes: "But to the Oryx and the little creatures of the Namib, this waterless, hostile desert is paradise." The second third of the film shows the rich life in the Okavango River and Okavango Delta (see Marula, below), and the last third of the film focuses on life in the Kalahari desert. One scene depicts baboons, elephants, giraffes, warthogs and other African animals eating rotten, fermented fruit of the