Cultures of a bacterial species were incubated out on the incubator shelf, in an anaerobic jar and in a candle jar.After incubation there was moderate growth of cultures in the candle and anaerobic jars, but heavy growth of the culture on the incubator shelf.This species is a/an

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A facultative anaerobe can grow in both the presence and absence of oxygen. The heavy growth on the incubator shelf (aerobic conditions) and moderate growth in the anaerobic and candle jars (reduced oxygen conditions) suggest that the species can thrive in both environments, characteristic of facultative anaerobes.

Cultures of a Bacterial Species Were Incubated Out on the Incubator