NCERT Solutions for Class 11 Psychology Chapter 3 The Bases of Human Behaviour
NCERT Solutions for Class 11 Psychology Chapter 3 The Bases of Human Behaviour NCERT TEXTBOOK QUESTIONS SOLVED Question 1. How does the evolutionary perspective explain the biological basis of behaviour? Answer: Evolution refers to gradual and orderly biological changes that result in a species from their pre-existing forms in response to their changing adaptation demands of their environment. Physiological and biological changes that take place as a result of evolutionary processes are so slow that they become visible after hundreds of generations. Three important features of modem human beings include: A trigger and developed brain with increased capacity for cognitive behaviours (like perception, memory, thinking, reasoning, etc). Ability to walk upright on two legs and Free hands with a workable opposing thumb. The environmental demands had to biological and behavioral changes over a long period of time. In the human brain, the earliest to the most recent structures in the process ...