ontogeny recapitulates phylogeny


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ontogeny recapitulates phylogeny

The now-discredited scientific theory that an organism's embryonic development, or ontogeny, follows the evolutionary stages of its species, or phylogeny. We were able to disprove Haeckel's theory that ontogeny recapitulates phylogeny by closely studying embryonic development.
References in periodicals archive ?
Developmental biologists, for example, are rethinking the degree to which ontogeny recapitulates phylogeny. Victor Rosenthal, a psychologist at INSERM (a French research consortium), states that microgenesis refers to the development of thoughts and percepts in immediate experience, and-apropos of the phenomenological ground Dialogicality in Development seems to cover unintentionally-he believes that microgenesis substantiates a phenomenological theory of cognition.
According to a paleontologic adage, ontogeny recapitulates phylogeny. In the embryology of present-day mammals, the developmental process in the bones and muscles of the first and second branchial arches involves a re-enactment of the evolutionary process than begot the mammalian middle ear.
Taking self-position seriously in your writing matters because "ontogeny recapitulates phylogeny." That was the first sentence of my comparative anatomy textbook in college, the one that almost sent me running to drop/add.
Both movements had their beginnings in the "ontogeny recapitulates phylogeny" theory (discussed by this author in Adolescence, No.