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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- Julia8년 이상Wow
- boi8년 이상how did this hapenn like BOIIIII
- boi8년 이상and my teacher you guys should too also i didnt know our ancestors had 2 Tails
- boi8년 이상hi guys i am so doing this for my current event my friends are going to be surprised
- Person8년 이상Freaky and cool
- MLG8년 이상Ummmmm weird ssooooo werd WOW
- r8년 이상this is kool
- 3r8년 이상that was breath taking. omg
- tha49ers8년 이상me to
bigdipper8년 이상how in the world