Question 1

Look at the diagram showing the positive feedback mechanism on page 13. Can you list the inputs that went into tool making? What were the processes that were strengthened by tool making?

Answer

After going through the positive feedback mechanism following points can
be inferred:

(a) Inputs that helped in tool making:
● Increased brain size and capacity of brain
● Upright walking
● Visual surveillance long distance
● Walking while foraging and hunting.

(b) The processes that were strengthened by tool making:

● Upright walking                                                                                                   ● Increase in size and capacity of brain
● Visual surveillance, long distance walking while foraging and hunting.

Recently Viewed Questions of Class 11 History - Themes in World History

Write a Comment: