The larva possesses advanced characters which are lost during the development
The larva possesses characters which are not so advanced and lost during the development
The adult have advanced characters which are lost during development
All of the above
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Metamorphosis is a change from the juvenile to the adult stage in which larval stage is quite different from the adult stage. In retrogressive metamorphosis, the larva possesses advanced characters which are lost during the development and the adult is either sedentary or degenerated with primitive character.
So, the correct answer is option A.
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