biogenetic law — n a theory of development much disputed in biology: an organism passes through successive stages resembling the series of ancestral types from which it has descended so that the ontogeny of the individual is a recapitulation of the phylogeny of… … Medical dictionary
biogenetic law — noun Date: 1882 the theory of ontogenetic recapitulation … New Collegiate Dictionary
biogenetic law — The recapitulation theory of Haeckel that ontogeny recapitulates phylogeny ; see palingenesis … Dictionary of invertebrate zoology
biogenetic law — ▪ biology also called Recapitulation Theory, postulation, by Ernst Haeckel (Haeckel, Ernst) in 1866, that ontogeny recapitulates phylogeny i.e., the development of the animal embryo and young traces the evolutionary development of the… … Universalium
biogenetic law — noun : recapitulation theory … Useful english dictionary
law — 1. A principle or rule. 2. A statement of fact detailing a sequence or relation of phenomena that is invariable under given conditions. SEE ALSO: principle, rule, theorem. [A.S. lagu] Alexander l. states that a jerky nystagmus becomes worse when… … Medical dictionary
biogeneticlaw — biogenetic law n. The theory that the stages in an organism s embryonic development and differentiation correspond to the stages of evolutionary development characteristic of the species. Also called Haeckel s law, recapitulation theory. * * * … Universalium
Embryo drawing — refers to any representation of the illustration of embryos in their developmental sequence. In plants and animals, an embryo develops from a zygote, the single cell that results when an egg and sperm fuse during fertilization. In animals, the… … Wikipedia
Evolution — Evolution (History and Scientific Foundation) † Catholic Encyclopedia ► Evolution (History and Scientific Foundation) The world of organisms comprises a great system of individual forms generally classified according to structural… … Catholic encyclopedia
Recapitulation theory — The theory of recapitulation, also called the biogenetic law or embryological parallelism and often expressed as ontogeny recapitulates phylogeny is a disproven hypothesis that in developing from embryo to adult, animals go through stages… … Wikipedia
Social Darwinism — is a term commonly used for theories of society that emerged in England and the United States in the 1870s, seeking to apply the principles of Darwinian evolution to sociology and politics.[1] It especially refers to notions of struggle for… … Wikipedia
