Biology, 29.06.2020 06:01 kimberly01262016

Which of the following correctly explains why the first anaerobic organisms on earth are not classified as autotrophs? A. Chemicals were not available for these organisms to produce their own food

B. oxygen was in abundance and it was more efficient to eat food rather than make their own

C. carbon dioxide was not present on earth at that time

D. The first organisms did not have sunlight available to make their own food

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Which of the following correctly explains why the first anaerobic organisms on earth are not classif...

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