recapitulation theory

ontogeny recapitulates phylogeny, i.e., an organism, in the course of its development, goes through the same successive stages (in abbreviated form) as did the species in its evolutionary development.

re·ca·pit·u·la·tion the·o·ry

the theory formulated by E.H. Haeckel that people during their embryonic development pass through stages similar in general structural plan to the stages their species passed through in its evolution; more technically phrased, the theory that ontogeny is an abbreviated recapitulation of phylogeny. Synonym(s): biogenetic law, law of biogenesis, Haeckel law, law of recapitulation

recapitulation theory

n. See biogenetic law.

re·ca·pit·u·la·tion the·o·ry

(rē'kă-pich'yū-lā'shŭn thē'ŏr-ē) That individuals in their embryonic development pass through stages similar in general structural plan to the stages their species passed through in its evolution; more technically phrased, the theory that ontogeny is an abbreviated recapitulation of phylogeny.
Synonym(s): Haeckel law.

Haeckel,

Ernst, German naturalist, 1834-1919. Haeckel gastrea theory - that the two-layered gastrula is the ancestral form of all multicellular animals. Synonym(s): gastrea theoryHaeckel law - the theory that ontogeny is an abbreviated recapitulation of phylogeny. Synonym(s): recapitulation theory

单词	recapitulation theory
释义	recapitulation theory recapitulation theory n. See biogenetic law. recapitulation theory recapitulation theory [‚rē·kə‚pich·ə′lā·shən ‚thē·ə·rē] (biology) The biological theory that an organism passes through developmental stages resembling various stages in the phylogeny of its group; ontogeny recapitulates phylogeny. Also known as biogenetic law; Haeckel's law. recapitulation theory recapitulation theory ontogeny recapitulates phylogeny, i.e., an organism, in the course of its development, goes through the same successive stages (in abbreviated form) as did the species in its evolutionary development. re·ca·pit·u·la·tion the·o·ry the theory formulated by E.H. Haeckel that people during their embryonic development pass through stages similar in general structural plan to the stages their species passed through in its evolution; more technically phrased, the theory that ontogeny is an abbreviated recapitulation of phylogeny. Synonym(s): biogenetic law, law of biogenesis, Haeckel law, law of recapitulation recapitulation theory n. See biogenetic law. re·ca·pit·u·la·tion the·o·ry (rē'kă-pich'yū-lā'shŭn thē'ŏr-ē) That individuals in their embryonic development pass through stages similar in general structural plan to the stages their species passed through in its evolution; more technically phrased, the theory that ontogeny is an abbreviated recapitulation of phylogeny. Synonym(s): Haeckel law. Haeckel, Ernst, German naturalist, 1834-1919. Haeckel gastrea theory - that the two-layered gastrula is the ancestral form of all multicellular animals. Synonym(s): gastrea theoryHaeckel law - the theory that ontogeny is an abbreviated recapitulation of phylogeny. Synonym(s): recapitulation theory ThesaurusSeetheory
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