It means you COULD have gone into business managment. Rather you do so is up to you (and potential employers).
A degree in Evolution has applicability across a broad spectrum of Life Sciences.
The science portion of the degree is applicable to life sciences...the evolution portion only functions in the promotion of evolution. Heck, even basket weaving majors can at least make a basket. The only thing an evolution major can do is work as an adviser on a dinosaur movie telling them they know for a fact what sounds some dinosaur made.
Some of them (the proper term is paleontologists) recently used the Theory of Evolution to determine what to look for in an amphibian-like fish transitional, and also where to look for it. They found Tiktaalik.