Biology, 01.09.2019 12:30 anastasiasam8996

Cyanobacteria are important to the evolution and advancements of other life on earth because they
a) were the first life form on earth.
b) produced oxygen from photosynthesis.
c) were the first group of organisms to leave a fossil record.
d) were thought to have become mitochondria in the cells of animals.

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Cyanobacteria are important to the evolution and advancements of other life on earth because they

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