There are many postulates and assumptions of how and when life originated on Earth. It is said that life originated about 3.7 billion years ago as microbes and is said to form from nucleic acid molecules.
It is said that 8.1 billion years and 8.1 meters of time has passed before life originated on Earth.
Life originated from the most primitive type of cells called prokaryotes they were basic cells that lived in harsh climatic conditions of the early Earth environment.
They were just organic compound aggregates and lacked many membranes and systems. The thing that made them sustain was their replicating genetic material enclosed in phospholipids.
Therefore, 8.1 meters and 8.1 billion years ago of time has passed before the appearance of life on the Earth.
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