Fossil Evidence of Upright Walking
Aug 2025 · GM Kids Series 576 Book 366 · GOS Education Inc.
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35
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About this ebook
When did humans begin walking on two feet?
Fossils of ancient humans help answer this question.
Most animals walk or crawl on four legs.
However, humans walk upright on two feet.
Walking upright allows us to use our hands freely.
The fossil "Lucy" was first discovered in Ethiopia.
Lucy, an icon of ancient human fossils, lived about 3.2 million years ago.
When did humans begin walking on two feet?
Fossils of ancient humans help answer this question.
Most animals walk or crawl on four legs.
However, humans walk upright on two feet.
Walking upright allows us to use our hands freely.
The fossil "Lucy" was first discovered in Ethiopia.
Lucy, an icon o...
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