Oxygen was a Driving Factor in the Formation of Eukaryotic

Question

Oxygen was a driving factor in the formation of eukaryotic cells.

Accepted Answer

Oxygen played a crucial role in the formation of eukaryotic cells through the process of endosymbiosis, where an aerobic prokaryote was engulfed by another prokaryote leading to the evolution of a symbiotic relationship and eventually the development of eukaryotic cells with mitochondria.