One of the arguments for "intelligent design" takes as an example a simple banana, and explains how it's just the right size for eating, the right color to easily spot it, easy to peel with human hands, etc. — and that it all can't be just a coincidence. Someone could point out that we evolved the eyes and hands for the banana, and not the other way around. But that would be a mistake. I will instead point out that the modern banana was indeed designed by humans. Behold the wild one (a banana for scale).