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  1. May 3, 2014 · The biogenetic law is a theory of development and evolution proposed by Ernst Haeckel in Germany in the 1860s. It is one of several recapitulation theories, which posit that the stages of development for an animal embryo are the same as other animals' adult stages or forms.

  2. Biography of Haeckel. Ernst Haeckel, much like Herbert Spencer, was always quotable, even when wrong. Although best known for the famous statement "ontogeny recapitulates phylogeny", he also coined many words commonly used by biologists today, such as phylum, phylogeny, and ecology .

  3. Ernst Heinrich Philipp August Haeckel (16 February 1834 – 9 August 1919) was a German zoologist, artist, philosopher, and marine biologist, amongst other pursuits. His most famous research centered on the anatomy of radiolaria - microscopic protozoa with complex mineral shells - which, with other work, culminated in the beautifully ...

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