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What have been the three major changes in human evolution? Anthropology question

What have been the three major changes in human evolution?

Anthropology question

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In human evolution there are 3 most important changes occur

  • Bipedalism-Due to long distance running,increased survival success and hunting success .Free hands for other uses is the most important benefit.Use their hand for social communication.bipedalism helped in carrying food
  • Enlarged brain size-Due to enlarged brain size the thinking ability increased and increased intelligence. Due to intelligence they enable to make tools and searched for new inventions. More sophisticated social interaction has been seen .
  • hair loss-after became bipedalism one another change is to loos their hair loss thus it causes more efficient evaporative cooling and help in long distance running in hot and humid African climate.
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