[drrotmos]

> All of those single celled organisms didn't come from nowhere, overnight. There was, at least at some point, the first single celled organism. Not only the first one, but the first one that was able to reproduce. There could have been millions, billions of single celled organisms incapable of reproduction that died. The odds of just getting one single celled organism, by itself, without the ability to reproduce, is already ludicrous.

The general thinking among researchers is that single-celled organisms were preceded by self-replicating and self-catalyzing molecules, like RNA. Abiogenesis is a fascinating area of research.