Encyclopedia > Ontogeny

Article Content

Ontogeny

Ontogeny (or ontogenesis) describes the origin and the development of an organism from the fertilized egg to its mature[?] form. Ontogeny is studied in developmental biology.

The idea that ontogeny recapitulates phylogeny, i.e. that the development of an organism exactly mirrors the evolutionary development of the species, is discredited today. Nevertheless, many connections between ontogeny and phylogeny can be observed and explained by evolutionary theory.

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!

Featured Article

Quioque, New York

... years of age or older. The median age is 39 years. For every 100 females there are 113.3 males. For every 100 females age 18 and over, there are 108.7 males. The median ...