[Gumlegs]

All extinction means is that one particular specie couldn't hack it.

Evolution via Gresham's Law?

[Gordongekko909]

I don't know anywhere near enough about Gresham's Law, or monetary policy for that matter, to answer that question. Not even after reading the Wikipedia article on it. So I'm going to give you a "probably not quite" there.

[Doctor Stochastic]

To coin a phrase.