500
Wolves in the west were killed because they preyed on rancher's cattle in addition to elk and deer. If fewer wolves mean that fewer deer get killed, how might this change another part of the ecosystem?
A: more willows near the stream
B: less erosion due to elk trampling the river banks
C: vultures don't get as much food
D: smaller herds of deer
C: What is vultures don't get as much food?