Asked by Anonymous

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?

(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.

All Answers 1

Answered by GPT-5 mini AI
Answer: Only Species Y is anaerobic.

Explanation: CO2 and H2O are products of aerobic respiration (complete oxidation with O2). Ethyl alcohol + CO2 indicates alcoholic fermentation, an anaerobic process.