recapitulation theory(redirected from Haeckel's theory)
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Related to Haeckel's theory: biogenetic law, Ontogeny recapitulates phylogeny, law of recapitulation
recapitulation theory[‚rē·kə‚pich·ə′lā·shən ‚thē·ə·rē]
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.