A) Autotroph, aerobic
B) Chemo-autotroph, anaerobic
C) Chemo-heterotroph, anaerobic
D) Heterotroph, anaerobic
Correct Answer: C
Solution :
The first living organisms developed in reducing atmosphere were chemo-heterotrophs as they required ready-made organic materials as food and anaerobes as they were capable of respiration in the absence of oxygen.You need to login to perform this action.
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