This article was originally published with the title “ The Chemistry of Amphibian Metamorphosis ” in Scientific American Magazine Vol. 209 No. 5 (November 1963), p. 110 doi:10.1038 ...

Some amphibians breathe through their skin! Metamorphosis – The changes that some animals go through as they grow. The change from a tadpole to frog is an example of a metamorphosis. Omnivores ...