The perspective suggests that psychological disorders result largely from faulty physical processes, and the emphasizes the importance of factors such as stress and thoughts as well as environmental factors in the development of psychological disorders.

The answer for the top blanks is: Biological ,  and the answer for bottom blank is: Psychological

The biological perspective sees psychological disorders as the results of chemical imbalances in our physical body, while the psychological perspective sees psychological disorders as the results of all the things that happen in our social interractions

During the paleolithic, hominins grouped together in small societies such as bands, and subsisted by gathering  plants  and fishing, hunting or scavenging wild  animals. the paleolithic is characterized by the use of knapped stone tools, although at the time humans also used  wood  and bone tools.