Long before dinosaurs, virtually all life on Earth was wiped off the face of the planet 1567747880-CyanobacteriaMicroscope
Updated:

1567747880-CyanobacteriaMicroscope

Cyanobacteria are more than a pretty face. They first pumped Earth's barren atmosphere with oxygen. Later they were key to the evolution of plants. Photo: Kenyon College
Share
Twitter Facebook Reddit Pinterest Email