The Fascinating World of Bacteria

Bacteria are omnipresent, mostly harmless, and play crucial roles in food production and decomposition. Monarrans, a type of single-celled organism, are abundant in nature. Bacteria have existed for billions of years, with cyanobacteria being among the earliest life forms. Fossilized stromatolites provide insights into ancient bacteria. The video concludes with a look at the diverse characteristics of bacteria.

How long have bacteria been believed to exist on Earth?

What evidence do stromatolites provide about ancient bacteria?