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Cyanobacteria are
are eukaryotes and the earliest type of algae

Oa.
are chemoautotrophs
b.
photosynthetic bacteria
O
are the only prokaryotes that can use photosynthesis
O
not an important part of the carbon cycle
O

Respuesta :

GideonT

Answer:

Photosynthetic bacteria.

Explanation:

Cyanobacteria also called Photophyta are photosynthetic bacteria even some are nitrogen-fixing bacteria. Cyanobacteria have internal membranes. These are flattened sacs called thylakoids where photosynthesis is performed.

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