Scientific American by Ferris Jabr
To become a butterfly, a caterpillar first digests itself. But certain groups of cells survive, turning the soup into eyes, wings, antennae and other adult structures.
Read this informative article on How Does a Catepillar Turn into a Butterfly? to learn more about the defining role of imaginal discs in this phenomenal metamorphosis.
Ferris Jabr is a contributing writer for Scientific American. He has also written for the New York Times Magazine, the New Yorker and Outside.
