Evolution is a sequence of design changes happening on their own in a discernible direction; it never weds itself to a single point on a drawing board. An evolving system or animal is free to simply go with what works. Not so much that its performance suffers greatly, but enough that it opens access to other options near the so-called optimal design. With scientists often looking to nature for clues to solve challenges, they should also free to miss the optimal mark and open a wider design space over time.
Click here for original story, Perfection: The Enemy of Evolution
Source: ScienceDaily