বৃত্তিবৃত্তিগত
বৃত্তি বৃত্তান্ত (Assamese)
বৃত্তি বৃত্তান্ত (Assamese)
1. Ontogeny (also ontogenesis) is the origination and development of an organism (both physical and psychological, e.g., moral development), usually from the time of fertilization of the egg to adult. The... from wikipedia.org