Assertion: embryo's development | /r/HasProperty | ontogeny
Facets:
Source sentences:
text: The theory that successive stages of individual development (ontogeny) correspond with (�recapitulate�) successive adult ancestors in the line of evolutionary descent (phylogeny) became popular in the 19th century as the so-called biogenetic law.
text: Haeckel claimed that phylogenesis, or the process by which groups of organisms diversify from one another, influenced the development (ontogeny) of embryos.