<prompt> Cherechedza ndima iri pasi apa wozopindura mubvunzo unotevera nemutauro mumwe chetewo: Passage: Kune marudzi akawanda emabhakitiriya nezvimwe zvipenyu zviduku zvinogara mumuviri wemunhu kana mukati mawo. Kutaura zvazviri, 90 yemasero ari kana ari mumuviri wemunhu ndiwo utachiona, maererano nenhamba zvakanyanya kuderera nehuwandu kana huwandu. Mamwe eaya ma symbionts anodiwa kuhutano hwedu. Avo vasingabatsiri kana kukuvadza vanhu vanonzi commensal organisms.  <response>: Makumi mapfumbamwe muzana 