Certain stages of the development of insects developing with complete transformation perform different functions

Certain stages of the development of insects developing with complete transformation perform different functions. What are these stages, and what functions do they perform?

1) Representatives of insects developing with complete transformation go through the stages of egg – larva – pupa – imago.
2) The eggs contain hereditary information and the supply of nutrients for the development of the body, the larva – accumulates mass, the pupa – the stage of restructuring of the body, and the imago – actively settles and multiplies.

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