Mutualism (biology)
[ar] تقايض
[be] Мутуалізм
[bg] Мутуализъм
[bs] Mutualizam
[ca] Mutualisme (biologia)
[ckb] سوودگۆڕکێ
[cs] Mutualismus
[da] Mutualisme (økologi)
[de] Mutualismus (Biologie)
[el] Βιολογική αμοιβαιότητα