Question

$How \: do \: hormones \: help \: in \: the \: completion \\ \: of \: life \: history \: of \: insects \: and \: frogs?$
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Answer 1

Answer:

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Hormones play a very important role in the completion of life history of insects and frogs.The process by which the larvae of an insect converts into an adult is termed as Metamorphosis. Butterfly and frog perform metamorphosis. Metamorphosis in insects is controlled by insect hormones.In a frog, it is controlled by thyroxine, the hormone produced by thyroid. Thyroxine production requires the presence of iodine in water.If the water in which the tadpoles are growing does not contain sufficient iodine, the tadpoles cannot become adults.

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Answer 2

The changes from larva to adult is called metamorphosis. Metamorphosis in insects controlled by insect hormones. In a frog it is called by thyroxine, the hormone produced by thyroid. Thyroxine production required the presence of iodine in water. If the water in which the tadpoles are growing does not contain sufficient iodine, the tadpoles cannot become adult.