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Rapid changes in the body can then be observed as the lifestyle of the frog changes completely.
The spiral ‐ shaped mouth with horny tooth ridges is resorbed together with the spiral gut.
The animal develops a big jaw, and its gills disappear along with its gill sac.
Eyes and legs grow quickly, a tongue is formed, and all this is accompanied by associated changes in the neural networks ( development of stereoscopic vision, loss of the lateral line system, etc.
) All this can happen in about a day, so it is truly a metamorphosis.
It isn't until a few days later that the tail is reabsorbed, due to the higher thyroxin concentrations required for tail resorption.

2.006 seconds.