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

Question

Responses

Cyanobacteria have complex cells containing a nucleus
Cyanobacteria have complex cells containing a nucleus

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

Cyanobacteria lived in the ocean
Cyanobacteria lived in the ocean

Cyanobacteria were the first photosynthesizing organisms

Answer 1

The two correct statements that describe cyanobacteria are:

1. Cyanobacteria lived in the ocean
2. Cyanobacteria were the first photosynthesizing organisms

Cyanobacteria are prokaryotic organisms (which means they do not have complex cells with a nucleus), and they played a crucial role in increasing the levels of oxygen in the atmosphere through photosynthesis.