question: Which has a mutualism relationship?
choices.text: sea anemones close relatives of coral non-bacterial prokaryotes antigens that cause allergy microbes and mussels tetraceratops eukaryotic cells angiosperm
choices.label: A B C D E F G H
fact2: Symbiotic microbes live in the mussels' gills.
combinedfact: Mutualism is a relationship like that of microbes and mussels in which both species benefit.
formatted_question: Which has a mutualism relationship? (A) sea anemones (B) close relatives of coral (C) non-bacterial prokaryotes (D) antigens that cause allergy (E) microbes and mussels (F) tetraceratops (G) eukaryotic cells (H) angiosperm