orthogenesis उदाहरण वाक्य
उदाहरण वाक्य
- Orthogenesis was the hypothesis that life has an innate tendency to change, in a unilinear fashion, towards ever-greater perfection.
- He differed to the modern synthesis in his acceptance of other mechanisms of evolution such as the inheritance of acquired characteristics and orthogenesis.
- Orthogenesis has been described as an " anti-Darwinian " evolutionary theory because of its stance on the Darwinian mechanism of natural selection.
- The Russian biologist Karl Ernst von Baer had believed in a teleological force in nature which has been compared to a form of orthogenesis.
- Those who accepted this idea, however, did not necessarily accept that the mechanism driving orthogenesis was teleological ( goal-directed ).
- In the 1950s the German paleontologist Otto Schindewolf developed a theory of orthogenesis, which claimed that variation tends to move in a predetermined direction.
- In the meantime, a variety of theories of inheritance ( based on pangenesis, orthogenesis, or other mechanisms ) were debated and investigated vigorously.
- However, in the 1930s, orthogenesis was disproved by Darwinians led by Julian Huxley, who noted that antler size was relative to body size.
- This theory, too, was countered by Stephen Jay Gould, as he deemed the allometry theory to be very similar to the orthogenesis theory.
- His theory of orthogenesis ( straight-line evolution ) and eventual decay, claimed to be embedded within a cyclical view of the evolutionary process.