Roberto J Diaz
University of Phoenix
PHL 458 Creative Minds and Critical Thinking
Prof. Carlos Lago
March 10, 2009
Critical Thinking and Society Exercise How have critical thinking skills in humans evolved over time? - Since evolution is a process which takes millions of years, The human fossil record reveals that our ancestors were capable of using stones as tools. An ape-like human ancestor living a million years ago was custom manufacturing a variety of stone tools and using fire. Early humans used even more sophisticated tools such as spears and arrows. These "stone age" people are depicted as "cavemen" but this belies the fact their culture was fairly sophisticated. The proof is the last