Exemplos do corpo de texto para mutualism
1. The two men have known each other for 31 years, forging a remarkable symbiotic relationship, or what ecologists call "mutualism", where both species benefit equally.
2. A hard–ass city supposedly abandoned to the most brutal forms of aggressive individualism (a fiction it liked to cultivate) showed instead the face of American mutualism as volunteers poured into the smouldering toxic crater.