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

Question

Responses

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
Cyanobacteria have complex cells containing a nucleus

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

Cyanobacteria lived in the ocean

Answer 1

The two correct statements that describe cyanobacteria are:

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