15. These photosynthetic organisms can live in extreme environments, sometimes harnessing energy from chemicals, and are among s
ome of the oldest organisms on Earth.
Οalgae
O protists
O cyanobacteria
O diatoms
1 answer:
Answer:
cyanobacteria
Explanation:
the answer of this question the 3rd one, because if you were to think and look up the oldest Bactria it would be that answer.
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