Even When an Intruder Is Far Away, Territorial Male Broadley's

Multiple Choice

Even when an intruder is far away, territorial male Broadley's flat lizards will charge them aggressively. However, when a familiar neighbor approaches, territorial males allow these individuals to get much closer. They will also pursue them for a much shorter span than an unfamiliar intruder. This finding illustrates the

A) dear enemy effect.
B) payoff asymmetry hypothesis.
C) resource-holding potential hypothesis.
D) arbitrary contest resolution hypothesis.