Question

1. select the organism responsible for the great oxidation event

photo - actins
plants
photosynthetic crustaceans
cyanobacteria
clear all

Explanation:

The Great Oxidation Event was caused by cyanobacteria that began producing oxygen through photosynthesis. They were among the first organisms to perform oxygen - evolving photosynthesis, which led to the increase of oxygen in Earth's atmosphere.

Answer:

Cyanobacteria