Early in his career , Darwin spent eight years studying barnacles , including the fossil species .
अपन करयर क पररभ म , डरवन न परजतय क जवशम सहत बरनकल  वशष हस  क अधययन म आठ वरष वयतत कए .
<bos><start_of_turn>user
Early in his career , Darwin spent eight years studying barnacles , including the fossil species .<end_of_turn>
<start_of_turn>model
अपन करयर क पररभ म , डरवन न परजतय क जवशम सहत बरनकल  वशष हस  क अधययन म आठ वरष वयतत कए .<end_of_turn>
