Fact 1: Threatening behavior by predators causes a porcupine to extend its quills. Fact 2: Fishers are one of the few specialized predators on porcupines. Given the two facts above, what will a porcupine do when it feels a fisher is displaying threatening behavior?
Possible answers:
1). bite the fisher
2). decreases its bodily water
3). Change colors
4). extend it's quills
5). kill them
6). the body's largest organ
7). back away
8). fight the fisher
Answer:
4).