Biology, 26.03.2021 15:10 vxdsvsfdds
One theory of early life on Earth states that the first life forms did not use oxygen for respiration and were unable to make their own food. Based on this theory, which types of organisms were most likely present?
aerobic, autotrophic bacteria
aerobic, heterotrophic bacteria
anaerobic, autotrophic bacteria
anaerobic, heterotrophic bacteria
Answers: 2
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In the respiration-photosynthesis cycle shown above, what are the products of cellular respiration that belong in box 2?
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Sequence how oxygen accumulated in the atmosphere and the effect it had on life by completing the flowchart
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One theory of early life on Earth states that the first life forms did not use oxygen for respiratio...
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