If there was a human revolution, it may have been caused by a

Question

Quizplus · Accepted Answer

A cognitive adaptation such as a mutation that allowed fully modern speech could have been the catalyst for a human revolution, as it would have facilitated the development of language, communication and symbolic thought, all of which are key markers of modern human behavior. This in turn may have led to technological innovations, cultural complexity and the ability to plan and execute more complex social strategies.

B, C and D are not optimal choices because they do not provide a direct explanation for the cause of a human revolution. While population replacement, hybridization and climate stability may have contributed to the evolution and spread of modern humans, they do not necessarily explain the emergence of modern human behavior or the cultural and technological revolution that accompanied it.

If There Was a Human Revolution, It May Have Been