Evolutionary biologists have pointed cogently to examples of cooperative behaviour in animals. An example that supports this argument is:

A) the frustration-aggression hypothesis.
B) social identity theory.
C) observational learning.
D) cooperative behaviour.

Cooperative Behaviour

Behavior exhibited by individuals or entities working together towards a common goal or benefit, often involving teamwork or partnerships.

Frustration-Aggression Hypothesis

A psychological theory suggesting that frustration leads to aggressive behavior as a way of coping with the inability to achieve a goal.

Social Identity Theory

A theory positing that individuals classify themselves and others into various social categories, like gender, race, and occupation, which influences their behaviors and attitudes.