Question

Two different species of bacteria are examined. Scientists find that species X always produces CO2 and H2O during cellular respiration. Species Y always produces ethyl alcohol and CO2. Which conclusion can be made from these observations? (SC.912.L.18.9)
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1 point
Only species Y is aerobic
Only species Y is anaerobic
Both species X and Y are aerobic
Both species X and Y are anaerobic

Answer 1

Only species Y is anaerobic