sentences:  While microevolution was governed by a system of inheritance dictated by genetics, Filipchenko based macroevolution on cytoplasmic variability rather than genetic inheritance.Though evolution was embraced by many Russian biologists in Filipchenko's day, there did exist elements of opposition to Darwin's ideas, most commonly in the form of "direct evolution," or orthogenesis.While Filipchenko self-identified as a Darwinist, he only did so in the sense that he believed in the idea of evolution.