Wikipedia: Phylogeny

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The idea that ontogeny recapitulates phylogeny, with the development of an organism mirroring the evolutionary developmnent of the species, is discredited today.

The idea that ontogeny recapitulates phylogeny, i.e. that the development of an organism exactly mirrors the evolutionary developmnent of the species, is discredited today.

Phylogeny (or phylogenesis) describes the origin and evolution of a species.

The idea that ontogeny recapitulates phylogeny, i.e. that the development of an organism exactly mirrors the evolutionary developmnent of the species, is discredited today.