Question

In a hypothetical study, researchers observing aggressive behavior in monkeys notice that when objects are thrown at them, some monkeys shy away and hide, while others barr their teath and charge the researchers. They further notice that the males were most likely to act aggressively, while nursing females were most likely to seek cover along with their offspring. These behaviors indicate that aggression may be the result of which of the following?

a) the result of the overuse of steroids
		b) a combination of biological, social, and situational influences
		c) cultural influences where the male monkeys learn to be the protectors
		d) serontonin and other biological brain processes