Answer the following question: Fact 1: Threatening behavior by predators causes a porcupine to extend its quills. Fact 2: Puffers are smooth skinned while Porcupines have the characteristic spines or quills. Given the two facts above, answer the question "What does a porcupine do with its spines when it's threatened?" with the following options: - killing insects - Shoot them - kill them - protect them - Extend them - Shed them - Retract them - behave
Answer:
Extend them