Self-interest is a motivation that leads individuals to act in ways that benefit themselves, rather than others. It is not a mechanism that promotes cooperation and altruism.

Genetic relatedness is a key factor in the evolution of cooperation because it increases the likelihood that individuals will share genes with each other. This means that they are more likely to benefit from cooperating with each other, even if it means sacrificing their own interests.

Reciprocal altruism is a type of altruism in which individuals help others who are not genetically related to them, in the expectation that they will receive help from them in the future.

Empathy is a psychological mechanism that allows individuals to understand and share the feelings of others. It is a key factor in promoting cooperation and altruism because it motivates individuals to help others who are in need.

Sympathy-based altruism is a type of altruism in which individuals help others because they feel sorry for them. It is a less common form of altruism than empathy-based altruism.

Guilt-based altruism is a type of altruism in which individuals help others because they feel guilty about not helping them. It is a less common form of altruism than empathy-based altruism.

Shame-based altruism is a type of altruism in which individuals help others because they feel ashamed of not helping them. It is a less common form of altruism than empathy-based altruism.

Moral-based altruism is a type of altruism in which individuals help others because they believe it is the right thing to do. It is a less common form of altruism than empathy-based altruism.

Selfish altruism is a type of altruism in which individuals help others because they want to feel good about themselves. It is a less common form of altruism than empathy-based altruism.

Self-interest is a motivation that leads individuals to act in ways that benefit themselves, rather than others. It is not a type of altruism.

Moral-based altruism is a type of altruism in which individuals help others because they believe it is the right thing to do. It is a less common form of altruism than empathy-based altruism.

Selfish altruism is a type of altruism in which individuals help others because they want to feel good about themselves. It is a less common form of altruism than empathy-based altruism.

Self-interest is a motivation that leads individuals to act in ways that benefit themselves, rather than others. It is not a type of altruism.

Moral-based altruism is a type of altruism in which individuals help others because they believe it is the right thing to do. It is a less common form of altruism than empathy-based altruism.

Selfish altruism is a type of altruism in which individuals help others because they want to feel good about themselves. It is a less common form of altruism than empathy-based altruism.