An ecologist recorded 12 white-tailed deer, Odocoileus virginianus, per square kilometer (km2) in one woodlot and 20/km2 in another woodlot. These data could be best used to answer which of the following questions?

A) How does the density of deer vary among similar habitats?
B) When deer disperse within their habitat, are they physically clumped or uniform?
C) Is the carrying capacity of the two woodlots controlled by availability of food, or of water?
D) What is the range of a white-tailed deer?