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प्रश्न
The presence of gill slits, in the embryos of all vertebrates, supports the theory of ______.
विकल्प
Metamorphosis
Biogenesis
Organic evolution
recapitulation
MCQ
रिक्त स्थान भरें
उत्तर
The presence of gill slits, in the embryos of all vertebrates, supports the theory of recapitulation.
Explanation:
The presence of a quintile in all vertebrate embryos supports the notion of recapitulation (repeating the early stage of embryogenesis in earlier evolved animals).
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