The earliest formed organisms were A. Present day eubacteria B. Phototrophs and bacteria C. Chemoheterotroph D. None of the above
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Option A, "present day eubacteria," is not correct because present-day eubacteria are more evolved than the earliest organisms. Option B, "phototrophs and bacteria," is partially correct. Phototrophs are organisms that obtain energy from sunlight, and some Show more…
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