Select the 2 correct statements that describe cyanobacteria.(1 point)

Responses

Cyanobacteria lived in the ocean
Cyanobacteria lived in the ocean

Cyanobacteria decreased the levels of oxygen in the atmosphere
Cyanobacteria decreased the levels of oxygen in the atmosphere

Cyanobacteria were the first photosynthesizing organisms
Cyanobacteria were the first photosynthesizing organisms

Cyanobacteria have complex cells containing a nucleus

Cyanobacteria lived in the ocean

Cyanobacteria were the first photosynthesizing organisms