Question

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

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

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 have complex cells containing a nucleus

Answer 1

Cyanobacteria were the first photosynthesizing organisms
Cyanobacteria lived in the ocean