Physics, asked by netrang2007, 7 months ago

Reason: This happens when, the pond water does not contain sufficient amount of sodium need to make thyroxine hormone

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Answered by Anonymous

Answer:

ANSWER

Tadpole larvae require thyroxine hormone to undergo metamorphosis and change into adult frogs. Thyroxine synthesis required iodine. Therefore in the absence of iodine in water, tadpoles cannot change into frogs.

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Reason: This happens when, the pond water does not contain sufficient amount of sodium need to make thyroxine hormone​

Answers

Reason: This happens when, the pond water does not contain sufficient amount of sodium need to make thyroxine hormone