An area near a forest was monitored by researchers. The first graph shows the change in the amount of ground shade during a five-year period. The second graph shows how the population of milkweed changed over the same period.
Which hypothesis is supported by the data?
A. The milkweed population is a biotic factor that decreased as the amount of sunlight, an abiotic factor, decreased.
B. The milkweed population is an abiotic factor that decreased as the amount of sunlight, a biotic factor, decreased.
C. The milkweed population is a biotic factor that decreased as the amount of sunlight, an abiotic factor, increased.
D. The milkweed population is an abiotic factor that decreased as the amount of sunlight, a biotic factor, increased.