Ancient Ancestors to Humans Had Not One, But Two Tails

작성 - 374 단어

언어

읽기 수준

기사 듣기

Artist’s rendition of the ancient Aetheretmon in the foreground (Photo Credit: John Megahan)

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.

댓글 260개
  • bsc
    bsc4년 이상
    Wow that is so fascinating!
    • noiwantthecandy
      noiwantthecandy약 5년
      we don't have tails. if our ancestors had 1 or 2 tails and lost it, the tails would still be in their DNA and their child would have that tail, and so on. plus if we are fish we wouldn't be mammals. so it's science vs. science
      • adroit_avimimus
        adroit_avimimus4년 이하
        I think it means that some of the most basic forms of life were these fish. Some evolved lungs, legs, and started evolving from there once they started leaving the water every so often. Eventually, apes and monkey primates came along, which then evolved to ancient humans. It sounds bizarre thinking our ancestors were once fish, but it really is a matter of evolution, and time.
      • Rosey약 6년
        this is not true
        • Bonnie약 6년
          seriously?! we were NOT fish! by the way, if we were decended from fish, WHY COULDNT WE BRRATH UNDER WATER! *breath+
          • cfj cool6년 이상
            cool but not realy are ansesters
            • Cool m8!6년 이상
              very good study
              • Blackopps 4 fan7년 이하
                This was a good text
                • yummyyum약 7년
                  better than fortnite.
                  • yummyyum약 7년
                    That is so cool!
                    • ayylien약 7년
                      very cool

                      학습 활동