Mendel and Mises Walk into a Bar . . .
In the seventies Richard Dawkins acheived great fame when he wrote a book called The Selfish Gene, now I haven't actually read the book, but it does contain the idea of memes, which are units of cultural information and analogous to genes. Memetics is quite popular and an intensive subject, spanning everything. Anyways, the other day I was read David Boaz's Libertarianism: A Primer and he continually talks about self-organization in economies, which reminded me of evolution, and earlier I had noticed that a free market tends to behave like an ecosystem.
So I put 2 and 2 together and here's my new theory: Economics is analogous to biology. An economy functions as an ecosystem, different products and services evolve to satisfy consumer demand. These competing products and services are analogous to organisms/species in biology with their genotypes determined by memes and their phenotypes by prices.