Metamorphosis in frog is fastened by

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(A) The changes that occur during the transformation of a larva into an adult are collectively called metamorphosis.During the metamorphosis of a frog

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Thyroxine

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(A) The changes that occur during the transformation of a larva into an adult are collectively called metamorphosis.During the metamorphosis of a frog,the tail disappears,horny jaws are replaced by bony jaws,gills disappear,and lungs become functional.Thyroxine hormone,which requires iodine for its synthesis,is essential for the metamorphosis of a frog. It accelerates the process of development from the tadpole stage to the adult frog.

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