Evaluating Progressivism: A Critique of Biological Analogy

It would seem that since humanity first began building settlements and creating tools that it has been marching tenaciously upon a path of progress. So intertwined have been the actions of humanity with advancement, that the ages themselves take title from the character of human creation. The Stone Age, The Bronze Age, and the Iron Age are each characterized according to the level of sophistication reached by humans through progress. Steady progress through Antiquity and the Middle Ages inevitably lead to a critical mass of knowledge, which manifested itself as the Enlightenment and ultimately the Industrial Revolution.