Evolutionary Psychology Name Institution Date Evolutionary Biology Use In Future Work In Psychology The theory of natural selection by Charles Darwin was the first contribution to evolution biology, the three essential elements of variation, inheritance and differential reproduction are important to understanding modern psychology. Fitness from an evolutionary psychology perspective is described as how a species can reproduce within its environment, meaning that if a species no longer reproduce it is not evolutionary. Natural selection according to evolutionary theory means the one can adapt and survive long enough to reproduce. The concept fitness in