The Watchmaker: my fav argument

[John 6IX Breezy]

My innitial thought was "Why should the theory of evolution do/say anything about the systems within an organism?"

The theory is more 'Over arching' isn't it?

I don't know if that's true. Evolution touches everything from genotype to phenotype. And behavior is often considered to be part of an animal's phenotype. Any textbook on evolutionary psychology will have this quote:

"In the distant future I see open fields for far more important researches. Psychology will be based on a new foundation, that of the necessary acquirement of each mental power and capacity by gradation. Light will be thrown on the origin of man and his history” -Charles Darwin

That said, I would argue that "evolution" plays a role similar to "fMRI" in current psychological research. Which is to say, people use it to make their research "appear" more scientific, more alluring, and more likely to get published, meanwhile, it contributes very little to the issue.