Another name for unicellular organisms that dominated Earth up to the Precambrian time is A. eukaryotes. B. cyanobacteria. C. stromatolites. D. prokaryotes.

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Another name for unicellular organisms that dominated Earth up to the Precambrian time is A. eukaryotes.
B. cyanobacteria.
C. stromatolites.
D. prokaryotes.

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Prokaryotes are another name for unicellular organisms that existed on Earth up to Pre-Gambrian times.