What has nearly driven prairie dogs to extinction? 

A)  coyotes 
B)  shotguns and rifles 
C)  poison 
D)  imported black-footed ferrets

Prairie Dogs

are small, burrowing rodents found in North American grasslands, playing key ecological roles.

Poison

is a substance that, when introduced to or absorbed by a living organism, can cause harm or death, depending on its chemical properties and the organism's vulnerability.

Shotguns

Firearms designed to shoot a wide spread of projectiles, often used for hunting and sport shooting.