If threatening behavior towards porcupine by predators can cause the predator pain, then what can cause predators pain? Answer choices: - animals with backbones - Staying away from porcupine - Ignoring porcupine - pressure on the skin - Befriending porcupine - Threatening behavior towards porcupine - Something with a head, thorax, and abdomen - the body's largest organ
A:
Threatening behavior towards porcupine