A Wiki about biochemical individuality   See Also   The theory
of recapitulation, also called the biogenetic law or ontogeny
recapitulates phylogeny, is a theory in biology which attempts
to explain apparent similarities between humans and other
animals. First espoused in 1866 by German zoologist Ernst
Haeckel, a contemporary of Charles Darwin, the theory has been
discredited in its absolute form, although recognized as being
partly accurate. In biology, ontogeny is the embryonal
development process of a certain species, and phylogeny a
species' evolutionary history. Observers have noted various
connections between phylogeny and ontogeny, explained them with
evolutionary theory and taken them as supporting evidence for
that theory.  Haeckel's theory   Ernst Haeckel's embryo
drawings.  Ontogeny is the development of the embryos of a given
species; phylogeny is the evolutionary history of a species. The
theory claims that the development of the embryo of every
species repeats the evolutionary development of tha