Most of our best authorities are now convinced that the various larval and pupal stages of insects have thus been acquired through adaptation, and not through inheritance from some ancient form.
Gure autoritate onenetariko gehienak komentziturik daude intsektuen larba eta pupa-fase ezberdinak egokitzapenaren bidez lortu direla, eta ez antzinako formaren batengandiko herentziaz.