 The evolution of CENEs made the Cambrian Explosion possible. Their code is universal (modulo syntax) in the genomes of all multicellular life.
<meaning-changed>  The evolution of CENEs made the Cambrian Explosion possible. Their code is universal (modulo syntax) in the genomes of all multicellular life.
 The evolution of CENEs made the Cambrian Explosion was possible. The architecture of these higher level networks may in fact be universal (modulo syntax) in the genomes of all multicellular life.