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The photograph shows an organism that is theorized to have been the first to inhabit Earth. The organism is photosynthetic and single-celled or colonial. The organism depicted is a
A) pterophyte
B) spermatophyte
C) Cyanobacteria
D) viroid particle

The photograph shows an organism that is theorized to have been the first to inhabit Earth The organism is photosynthetic and singlecelled or colonial The organ class=

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The answer is C) Cyanobacteria

Answer:

The correct answer would be option C.

Cyanobacteria are the photosynthetic bacteria which synthesize their food with the help of chlorophyll and sunlight.

These are considered as the first inhabitant of the earth. They introduced oxygen in the early atmosphere as a result of photosynthesis.

It is believed that they underwent endosymbiosis to give rise to eukaryotic cells.

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