Quotes Donut - stromatolites—a kind of living rock made by billions and billions of microscopic cyanobacteria. The tiny respirations of these organisms over millions of years largely created Earth’s oxygen-rich atmosphere, paving the way for more complex living things.

stromatolites—a kind of living rock made by billions and billions of microscopic... - Bill Bryson - Quotes Donut

Written By Bill Bryson

stromatolites—a kind of living rock made by billions and billions of microscopic cyanobacteria. The tiny respirations of these organisms over millions of years largely created Earth’s oxygen-rich atmosphere, paving the way for more complex living things.

12 Reads • November 21, 2020