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When Did Bipedalism First Evolved?

James H. Sterling • • 2 min read
When Did Bipedalism First Evolved?
★ Key Takeaways

Evidence for Bipedalism Extends as Far Back as 4.2 Million Year's Ago, Perhaps Even Six Million Year's Ago, but Stone Tools Do Not Appear in the Archeological Record Until 2.6 Million Year's Ago—So We Can Rule out Tool-Making as an Explanation.

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Direct Answer • Key Takeaway

Evidence for Bipedalism Extends as Far Back as 4.2 Million Year's Ago, Perhaps Even Six Million Year's Ago, but Stone Tools Do Not Appear in the Archeological Record Until 2.6 Million Year's Ago—So We Can Rule out Tool-Making as an Explanation.

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James H. Sterling
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James H. Sterling

James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.