It's survival of the funniest -- it's like Darwinian evolution on the comics page,

It's survival of the funniest,

If evolution and the survival of the fittest be true at all, the destruction of prey and of human rivals must have been among the most important. . . . It is just because human bloodthirstiness is such a primitive part of us that it is so hard to eradicate, especially when a fight or a hunt is promised as part of the fun.

It's survival of the hang-in-there's, or the made-the-cuts, or the just good-enoughs.

A scar does not form on the dying. A scar means, I survived.

...avacados, prickly pears and papayas used to be gulped down whole, seeds and all, by fridge-sized armadillos called glyptodonts.