What are some keys events that led to the emergence of homo sapiens and modern humans? why are bipedalism and running thought to be important factors in our advancement?

A dramatic form of climate change.
A successive migrations of hominin species that were known to have came out of Africa.
The evolution of new species in Eurasia.

Bipedalism and running thought to be important factors in our advancement because that gave room for hominids to be able to free their arms fully and thus helping them to make and use tools well.

What caused Homo sapiens to evolve?

The reason why Homo sapiens were said to have evolve is known to be the time that brought about a drastic climate change that was said to have 300,000 years aga and this was said to be the time that Homo sapiens were known to have evolved in Africa.

When compared to early humans that were said to be living as at that time, they were known to be involved in the act of gathering as well as hunting for games/food, and there was evolved behaviors.

Therefore, The keys events that led to the emergence of homo sapiens and modern humans are:

A dramatic form of climate change.
A successive migrations of hominin species that were known to have came out of Africa.
The evolution of new species in Eurasia.

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