In the course of individual development, inherited characters appear, in general, earlier than adaptive ones, and the earlier a certain character appears… — Ernst Haeckel Copy Share Image
Phylogeny and ontogeny are, therefore, the two coordinated branches of morphology. Phylogeny is the developmental history [Entwickelungsgeschichte] of the abstract, genealogical individual;… — Ernst Haeckel Copy Share Image
...catching a glimpse of his rather hippyish form in a mirror, he wonders at this atavism of apparel, is it an inversion… — Will Self Copy Share Image
It is now firmly established that ontogeny does not repeat phylogeny — George Gaylord Simpson Copy Share Image
![“Phylogeny and ontogeny are, therefore, the two coordinated branches of morphology. Phylogeny is the developmental history [Entwickelungsgeschichte] of the abstract, genealogical individual; ontogeny, on the other hand, is the developmental history of the concrete, morphological individual.” quote by Ernst Haeckel](https://sms4smile.com/quotes/img-quotes/bfa/ernst-haeckel-20972_abstract_phylogeny-and-ontogeny-are-therefore-the_1640087.jpg)
