Mastodawn

New insights into early life forms from living stromatolites: the organisms that “poisoned” the atmosphere with all that oxygen and wiped out a lot of their competition. https://astrobiology.com/2024/06/new-vestiges-of-the-first-life-on-earth-discovered-in-saudi-arabia.html #evolution #earlylife #oxygen

New Vestiges Of The First Life On Earth Discovered In Saudi Arabia - Astrobiology

Stromatolites are the earliest geological record of life on Earth. These curious biotic structures are made of algae carpets growing toward the light and precipitating carbonates.

Astrobiology