Question

what is the metamorphosis ​

Answer 1

Answer:

it's the changing of any organism( mostly insects like butterflies etc. ) from one stage or form to other stage which is completely different from the previous one ( from an offspring to an adult) but you can also apply this concept to other things also

Answer 2

Answer:

The process of transformation from an immature form to an adult form in two or more distinct age .

or else you can write this also

a change of the form or nature of a thing or person into a differently complete one.