Question

Fill in the blanks.

Increasing ----------------was the most significant trend in the evolution of modern man.

Answer 1

Cranial capacity:

1. The modern man had a cranial capacity of 1450 cc when compared to the primitive man with 500 cc.
2. The social, cultural, and educational evolution of man is dependent on the increase in the size of the brain.
3. An increase in the cranial capacity is more significant when compared to adaptations such as binocular vision, upright position, etc.

Hence, Increasing cranial capacity was the most significant trend in the evolution of modern man.