sentences: a caterpillar is a mean of flowing & cracking is when an trails conservation from an immature relation to an youth relation ->  an example of metamorphosis is when a butterfly changes from an immature form to an adult form  the youth relation of a butterfly is called a caterpillar & the immature relation of a caterpillar is called a butterfly ->  the immature form of a butterfly is called a caterpillar and the adult form of a caterpillar is called a butterfly  an example of metamorphosis is when a butterfly changes from an immature form to an adult form & the immature form of a butterfly is called a caterpillar and the adult form of a caterpillar is called a butterfly -> an example of metamorphosis is when a butterfly changes from a caterpilar to a butterfly