Caterpillars shed their skin several times as they grow, and in the final stage of metamorphosis, they form their pupa (chrysalis). As the warm summer and spring suns arrives, it signals a change in ...
Snakes regularly shed skin. This process is called ecdysis. It helps snakes grow. Shedding removes old skin and parasites. Young snakes shed more often. Adult snakes shed a few times a year.