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प्रश्न
Mention any one striking similarity that is found in the embryos of all vertebrates at an early stage. What is it indicative of?
अति संक्षिप्त उत्तर
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उत्तर
Early on, the embryos of all vertebrates exhibit essentially the same anatomy. All vertebrate embryos develop gill clefts and notochords. In all adult vertebrates, the vertebral column either completely or partially replaces the notochord. The evolution of vertebrates from a common ancestor is indicated by these similarities in embryonic development.
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