sentences: a butterfly is a kind of insect & metamorphosis is when an insect changes from an immature form to an adult form ->  an example of metamorphosis is when a butterfly changes from an immature form to an adult form  the adult form of a caterpillar is called a butterfly & the immature form of a butterfly is called a caterpillar ->  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