The bacteria responsible for producing oxygen are called cyanobacteria or Cyanophyta, which obtain their energy through photosynthesis. The Great Oxygenation Event happened globally, so banded iron ...
The phytoplankton groups identified at all locations included Chlorophyta, Cyanophyta, Chryptophyta, Bacillariophyta, and Pyrrophyta. Euglenophyta was found at BL1 and BL3 but was not observed at BL2 ...
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