Jean Baptiste de Lamarck would attribute the evolution of long roots in plants to the inheritance of acquired characteristics through use and disuse.
Jean Baptiste de Lamarck, a French biologist, proposed the theory of inheritance of acquired characteristics. According to Lamarck, plants would evolve long roots through the concept of use and disuse. He believed that if a certain trait or organ of a plant was used frequently, it would become more developed and passed on to the next generation.
Lamarck would explain the evolution of long roots in plants as a result of the plant's continual effort to reach water deep in the soil. According to his theory, plants that consistently stretched their roots to access water would develop longer roots through generations as this acquired trait would be inherited by offspring.
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