Question

why you type fast growing in iodine deficient what are fail to grow into frogs

Answer 1

Iodine is required for the synthesis of thyroxine hormone. In amphibians like frogs, thyroxine helps in the metamorphosis of tadpoles to become a frog.

Answer 2

Iodine is an important component of thyroxine is necessary for metamorphosis of tadpole into frog. Deficiency of iodine in water results in failure of metamorphosis of tadpole into frogs