By the year 1980, a wolf species ( canis rufus) once common to the southeastern region of the united states disappeared from all areas except for one small part of eastern texas. this is an example ofa) extirpation.
b) extinction.
c) an invasive species.
d) genetic diversity

A. Extirpation

Explanation:

The term extirpation is also known as local extinction. It is situation whereby a particular species ceased to exist in an environment where it was once found, though it's existence is still observed elsewhere.

Extirpation maybe as a result of unfavorable environmental and human factors such as hunting, food scarcity and climate variation.