[Answer] How long ago do scientists believe life first began on Earth?

Answer: 3.7 billion years
How long ago do scientists believe life first began on Earth?

Abiogenesis – Wikipedia

Abiogenesis – Wikipedia

Abiogenesis – Wikipedia

The origin of life on Earth is a scientific problem which is not yet solved. There are many ideas but few clear facts. Most experts agree that all life today evolved by common descent from a single primitive lifeform. It is not known how this early life form evolved but scientists think it was a natural process which happened about 3 900 million years ago …

The earliest known life -forms are putative fossilized microorganisms found in hydrothermal vent precipitates that may have lived as early as 4.28 Gya (billion years ago ) relatively soon after the oceans formed 4.41 Gya and not long after the formation of the Earth …

Thu Mar 02 2017 13:30:00 GMT-0500 (Eastern Standard Time) · The earliest known life forms on Earth are putative fossilized microorganisms found in hydrothermal vent precipitates. The earliest time that life forms first appeared on Earth is at least 3.77 billion years ago possibly as early as 4.28 billion years or even 4.41 billion years—not long after the oceans formed 4.5 billion years ago and after the formation of the Earth 4.54 billion years ago. The …

Thu Aug 21 2003 14:30:00 GMT-0400 (Eastern Daylight Time) · The common belief of Young Earth creationists is that the Earth and life were created in six 24-hour periods 6 000–10 000 years ago . However there are different approaches to how this is possible given the geological evidence for much longer timescales.

Nevertheless it is believed that primordial life began to evolve by the ea…

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