Class 11 History - Themes in World History - Chapter From the Beginning of Time NCERT Solutions | Look at the diagram showing the positive

Welcome to the NCERT Solutions for Class 11th History - Themes in World History - Chapter From the Beginning of Time. This page offers a step-by-step solution to the specific question from Exercise 1, Question 1: look at the diagram showing the positive feedback....
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.

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