Mutualism and altruism are considered cooperative interactions because they are beneficial to the recipient, and will be the focus of this article.

Therefore, the origin of cooperative interactions, or actions by individuals that result in other individuals receiving fitness benefits, seems counterintuitive.

Perhaps the most common cooperative interactions seen in microbial systems are mutually beneficial (+/+).

The second type of cooperative interactions is altruistic, or interactions that are beneficial to the recipient but costly to the actor (-/+).

It therefore advocates cooperative interaction between states and peaceful existence between cultural groups and civilizations.

The Bohr effect is dependent on cooperative interactions between the hemes of the hemoglobin tetramer.

Ultimately, engagement marketing attempts to connect more strongly consumers with brands by "engaging" them in a dialogue and two-way, cooperative interaction.

NAIN encourages cooperative interaction based on serving the needs and promoting the aspirations of all member groups.

According to Grice, the cooperative principle is a norm governing all cooperative interactions among humans.

These studies suggest a role in facilitating cooperative interactions between cis-acting proteins by promoting DNA flexibility.