\[ **BT: [[biology#glossary]]** ] --- # commensalism > ‘Commensalism is a long-term biological interaction (symbiosis) in which members of one species gain benefits while those of the other species neither benefit nor are harmed.’[^1] e.g. humans unintentionally providing shelter to [[rodents|house mice]] [^1]: ‘Commensalism’, Wikipedia, last edited 17 July 2025, 19:30 (UTC), https://en.wikipedia.org/wiki/Commensalism.