tadpoles do not develop into adult frog in iodine deficient water . give reason
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The production of thyroxine is not possible in iodine deficient water. Without the production of thyroxine, it is impossible for metemorphosis.
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The growth and developmental process in a tadpole is controlled by the hormone; Thyroxine. Produced by the Thyroid gland. It is necessary for the presence of Iodine in the water for the production of these hormones. Incase the tadpole grows in a water that lacks Iodine the tadpole will not grow and die in the same stage itself.
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