The process of formation of an immature form to an adult form in two or more distinct stages is called metamorphosis. During metamorphosis, a tadpole changes to frog and the tail of tadpole is digested by lysosomes.
Metamorphosis? If it is metamorphosis, then it is a profound change in form from one stage to the next in the life history of an organism, as from the caterpillar to the pupa and from the pupa to the adult butterfly. (Dictionary.com)
Metamorphosis is the changes that an animal goes through during it's journey from baby to adult. Usually, these changes are drastic, like in that of a frog or butterfly.
Metamorphasis is a word for the changing of an animal or insect into another, such as a caterpillar to a butterfly or a tadpole to a frog.
It means to change to a totally different thing