A Used Car Is Shipped from Australia to the United

Multiple Choice

A used car is shipped from Australia to the United States. Stowed away in the trunk of the car is a piece of wood infected with Australian termites. Once in the United States, the buyer of the car finds the rotting wood and dumps it on the side of the road. The termites survive and establish a colony on the side of the road, but do not mate with local termite populations. This is an example of

A) genetic drift.
B) mutation.
C) natural selection.
D) gene flow.