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Question
The presence of gill slits, in the embryos of all vertebrates, supports the theory of ______.
Options
Metamorphosis
Biogenesis
Organic evolution
recapitulation
MCQ
Fill in the Blanks
Solution
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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