That would include novel animal architectures such as the arthropod, chordate, and molluscan body plans; new anatomical structures such as wings, limbs, eyes, nervous systems, and brains; and new specialized organs such as the vertebrate liver, digestive system, and kidneys. In short, neo-Darwinism fails to explain the origin of the most important defining features of living organisms, indeed, the very features that evolutionary theory has, since Darwin, claimed to explain.
