Sentence examples for facultatively from inspiring English sources

With the exception of the bipedal Psittacosaurus, and perhaps the facultatively bipedal protoceratopsids, all ceratopsians were obligate quadrupeds with a heavy, ponderous build.

Mycoplasma species are mostly facultatively anaerobic, colonial microorganisms that lack cell walls.

Salmonella (genus Salmonella), group of rod-shaped, gram-negative, facultatively anaerobic bacteria in the family Enterobacteriaceae.