Final answer:
Aggression is behavior that is intended to cause harm or pain. It may involve physical violence against other individuals.
Step-by-step explanation:
Aggression
Aggression is behavior that is intended to cause harm or pain. It may involve physical violence against other individuals. For example, two male gorillas may fight and use their canine teeth to inflict deep wounds. Expressing aggression this way may lead to serious injury and even death.