Another name for unicellular organisms that dominated Earth up to the Precambrian time is:
- prokaryotes.
- eukaryotes.
- cyanobacteria.
- stromatolites.
Answer: 2. eukaryotes.
Prokaryotes are unicellular organisms without a nucleus that is protected by a nuclear membrane. These creatures, which ruled the Earth until the Precambrian period, are considered the progenitors of life. Since prokaryotes are cells with a membrane-bound nucleus and are descended from eukaryotes, they are related to eukaryotes.
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