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djverab [1.8K]
3 years ago
15

During which part of geologic time did photosynthesis evolve?

Computers and Technology
2 answers:
m_a_m_a [10]3 years ago
8 0
During Archean part of geological time photosynthesis evolve.
Nikolay [14]3 years ago
3 0

Answer:B.Archean

Explanatiion : Beginning of the the Archean Eon, was a major time of ocean formation and availability of water molecules which were bonded to hydrogen atoms.

There was a lack of oxygen in the atmosphere eventhough it existed in water molecules. The available organisms were cyanobacteria which were blue- green algae. Eventhough oxygen wasn't there cyanobacteria were able convert sunlight to energy. This is when the photosynthesis took place , when they made their own food in the ocean and they secreted oxygen .

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