The first organisms which released oxygen in the environment by its photosynthesis were :

The first organisms were

The first organism were

The first organism were

The first organisms were:

The first organisms which were anaerobes are termed as :

A: The first photosynthetic organisms which show oxygenic photosynthesis were cyanobacteria. R: Photosynthesis by Eubacteria is Anoxygenic.

$ The first photosynthetic organisms which show oxygenic photosynthesis were cyanobacteria. ! Photosynthesis by Eubacteria is Anoxygenic.