12. X = a 50-year span of time
Y = in the Ecobeaker demo on the Fender's Blue butterfly, the number of butterflies produced
annually in the conditions that prevailed before agricultural settlement
12.The correct answer is C. Before agricultural settlement Fender’s Blue butterflies underwent a standard population growth curve, characterized by increasing, climaxing, and then decreasing population over time. Over a 50-year period of time, we would be able to see t...