Which part of the vertebral column is considered a vestigial tail?

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Solution

The vertebral column is divided into five regions which includes, cervical, thoracic, lumbar, sacrum and coccyx. Bones of cervical, thoracic and lumbar vertebrae do not fuse. Five sacral vertebrae are fused forming the sacrum and 4 coccygeal vertebrae fuse to form vestigial tail.

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The part where the skull and the anterior part of the vertebral column joins

\begin{matrix} Column-I & Column-II a. Vestigial gill slits in & (i) Embryological evidences embryos of vertebrates b. Hard parts of life- & (ii) Biogeographical evidences forms in rocks c. Vertebrate brains & (iii) Palaentological evidences (iv) Evidences from comparative anatomy and morphology \end{matrix}

Which Body Part Is Vestigial In Humans?

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