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What happened 3.8 years ago?
About 3.8 billion years is about the age of the oldest firm evidence of life on Earth.
What happened 3.8 billion year ago?
About 3.8 billion years is about the age of the oldest firm evidence of life on Earth.
What is the oldest evidence of life in antarctica?
a poobloo from 4,000 years ago
How many years ago did life begin in the Ocean?
3.5 billion years ago is the oldest direct evidence for life on Earth. Direct evidence is found in 3.5-billion-year-old cherts (rocks deposited in the ocean) in which several microorganisms have been identified. These microogranisms are much like cyanobacteria which is found in abundance throughout the Earth today. 3.8 billion years ago is the oldest indirect evidence for life on Earth. Indirect evidence is found in 3.8-billion-year-old banded iron deposits (chert) which contain a Carbon 13 to Carbon 14 ratios similar to ratios found in organisms today.
Which organisms have produced the oldest fossil evidence?
The oldest fossil evidence is from single-celled organisms such as bacteria and archaea. These microorganisms have been found in rocks dating back over 3.5 billion years, providing some of the earliest known evidence of life on Earth.
What is the oldest evidence of multi-celled life?
gotta have single cell life before you can have multi cell life.
What is the planet that is tested for the evidence of life?
Currently, Earth's neighboring planet, Mars is being tested for the evidence of life.
What is the significance of the oldest fossils in understanding the history of life on Earth?
The oldest fossils are significant because they provide clues about the earliest forms of life on Earth, helping scientists understand the evolution and diversity of life over billions of years. These fossils offer insights into the conditions of the ancient Earth and the processes that shaped life as we know it today.
What is the oldest evidence of humans in the canyon now?
no evidence
Which layer is considered to have evidence of the oldest past living organism?
The layer considered to have evidence of the oldest past living organisms is the Archean Eon, specifically the rocks dating back to around 3.5 to 4 billion years ago. Fossils of stromatolites, formed by ancient microbial mats, have been found in these layers, indicating the presence of early life forms. These findings suggest that life on Earth began relatively soon after the planet's formation.
What is the oldest known form of life?
The oldest known life form on earth (that still exists today) is a stromatolite found in western Austrlia, it is 3.8 billion years old.
What evidence is there around 3800 million years ago for life on earth?
none there was no life then
