Respuesta :

Answer:

Mutualism, a relationship in which both species benefit,

Explanation:

there are many examples of mutualistic bacteria in the gut that aid digestion in both humans and animals. -> "one can't live without the other" something like that

Answer:

mutualism

Explanation:

commensal means one is benifited while other is neither benifited not harmed for eg ecoli in our stomach

mutualism means both are benifited for eg birds eating bugs form animals bodies

predation means one is benifited one is harmed eg hunting animals