Threatening behavior by predators causes a porcupine to extend its quills, and fishers are one of the few specialized predators on porcupines. Given these facts, what will a porcupine do when it feels a fisher is displaying threatening behavior among the following options:
- bite the fisher
 - decreases its bodily water
 - Change colors
 - extend it's quills
 - kill them
 - the body's largest organ
 - back away
 - fight the fisher


 

    extend it's quills     