Elongation and thickening of sclerenchyma cells are an example of __________AdedifferentiationBdevelopmentCdifferentiationDredifferentiationAnswer: C. differentiation Read Explanation: Differentiation leads to elongation and thickening of sclerenchyma cells. : Development includes all the changes undergone by a living plant from seed emergence to death. Dedifferentiation is regaining the lost capacity of cells or tissues of plants to divide under special conditions. Redifferentiation is the further maturation of dedifferentiated cells thereby specializing for a particular function. Read more in App