Earliest fossilized window of sociality recorded from lensoidal to spheroidal...

Conditions on the early Earth were hostile with intense UV radiation, but cells still managed to adapt and thrive. The evolution of new metabolic pathways is the obvious route...早期地球的环境极端恶劣，充斥着强烈的紫外线（UV）辐射，但细胞仍成功适应并蓬勃繁衍。新代谢途径的演化，便是该演化进程中显而易见的核心路径……