Ancient Ancestors to Humans Had Not One, But Two Tails
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It has always been believed that the final segment of the human vertebral column, the coccyx, or tailbone, is the remnant of a lost tail. Now, some researchers assert it may be the vestige of not one but two tails, both of which humans and their closest relatives (great apes) managed to shed over millions of years of evolution.
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- Julia9년 이하Wow
- boi9년 이하how did this hapenn like BOIIIII
- boi9년 이하and my teacher you guys should too also i didnt know our ancestors had 2 Tails
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- Person9년 이하Freaky and cool
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- r9년 이하this is kool
- 3r9년 이하that was breath taking. omg
- tha49ers9년 이하me to
bigdipper9년 이하how in the world