The transformation of the larva into an adult through drastic changes is called
The new individuals which are born or hatched from the eggs continue to grow till they become adults. In some animals, the young ones may look very different from the adults. The transformation of the larva into an adult through drastic changes is called metamorphosis. E.g. the life cycle of a silkworm (egg → larva or caterpillar → pupa → adult)