B) provide a reason for the improved quality of elk food.
C) argue for the design of a new predation study in YNP.
D) provide additional information relevant to the decline of elk.41 .Which claim about wolf and elk populations studied by the National Park Service is
supported by the graph?
A) Currently, elk populations out-number wolf populations in YNP.
B) Since wolf reintroduction in YNP, elk populations have only decreased.
C) Wolf populations are highest when elk populations are lowest.
D) Currently, elk populations and wolf populations are about the same.