::Evolution has been a '''long''' road. It's taken 4 billion years for gene duplication, sequence divergence, random catastrophes, population events, and the cut-throat race for reproductive viability to lead to life as we know it today. | ::Evolution has been a '''long''' road. It's taken 4 billion years for gene duplication, sequence divergence, random catastrophes, population events, and the cut-throat race for reproductive viability to lead to life as we know it today. |