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This thinker postulated that the molecular basis of heredity could be found in the wave motion of the "plastidules" of the protoplasm. He proposed six hierarchical levels of biological organization, from "plastids" (cells) to "corms" (colonies), which are all treated as equal "individuals" and analyzed in his "tectology." This thinker's study of radiolarians led him to believe that simple organisms came about via crystallization. The second part of this thinker's General Morphology of Organisms attempts to combine the ideas of Darwin, Lamarck, and (*) Goethe. This coiner of terms like "protist" and "phylum" meditated on the meaning of life as a "world-riddle," producing books like the collection of prints Art Forms in Nature. His idea that the development of an embryo parallels the organism's evolution gave the title to a Stephen Jay Gould book. For 10 points, name this nineteenth-century German evolutionary biologist who wrote that "ontogeny recapitulates phylogeny."
This thinker postulated that the molecular basis of heredity could be found in the wave motion of the "plastidules" of the protoplasm.
 Ernst (Heinrich Phillip August) Haeckel 