How is the impact of seasonal flooding different from damming a river?

Question

A. Seasonal flooding helps balance biodiversity, but damming does not
B. Seasonal flooding does not impact biodiversity for as long term as damming
C. Seasonal flooding decreases biodiversity, but damming does not
D. Seasonal flooding is not considered an ecological disturbance like damming

Answer 1

B. Seasonal flooding does not impact biodiversity for as long term as damming