Von Goethes dynamischer Pflanzenmorphologie zur evolutionären Entwicklungsbiologie («EVO-DEVO»): Holismus und Reduktionismus ergänzen sich
Herbsttagung «Evolving Morphology»
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Abstract:
As in other biological disciplines, there are mainly two schools of thought in plant morphology. Proponents of holism emphasize the heuristic value of complementing (seemingly contradictory) perspectives, accepting a continuum view, fuzziness and process thinking. This coincides with “as-well-as” in philosophy. Reductionists in plant morphology and other sciences appreciate crisp concepts and usually accept just one view as the right one. This way of thinking equals “either-or” in philosophy and may coincide with conceptual realism. Both methods were practiced by Goethe as poet and scientist. He moved freely between these approaches. Evolutionary developmental biology (abbreviated “EVO-DEVO”) as a modern biological discipline absorbed several aspects of Goethe’s dynamic morphology, including both schools of thought. If we really want to understand development and evolution of living organisms, it may be advantageous to accept even a kind of mystic union with plants, as already practiced by Barbara McClintock who detected jumping genes in maize.