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The oldest known fossilized prokaryotes were laid down approximately 3.5 billion years ago, only about 1 billion years after the formation of the earth's crust.

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Where protist were the first prokaryotic organisms on Earth?

The oldest life fossils are very simple - prokaryotic no doubt and not that different from many of today's prokaryotic cell structure. Evolution in general seems to be an increase in complexity. Thus the first cells would logically be prokaryotic, or at least noneukaryotic. This is because prokaryotic cells are much simpler than prokaryotic cells which contain multiple membranous organelles to complicate their structure. Note that just because the oldest life fossils are prokaryotic does not prove that they preceeded the eukaryotes or that they were the VERY FIRST life on earth. Can there be simpler life than prokaryotes one wonders? However, no fossils have been found that are older than those 'first' prokaryotes, and as I have said it would be illogical for more complex eukaryotes to precede the simpler prokaryotes. The oldest fossils therefore (between 3.5 and 3.8 billion years old) are thus accepted as both the first life and prokaryotic.


Are fossils young compared to the age of the Earth?

The oldest fossils found are considered to be from the late Archean period which ended 2500 million years ago. By contrast, the Earth is believed to be 4500 million years old. So, though both dates are amazingly old, the Earth is definitely older than the fossils.


Do the oldest rocks on earth contain fossils?

Maybe. It depends on what kind of rock it is. If its a sedimentary rock and it's pretty old, then it will probably have some fossils in it. If its igneous the chances are not very likely i'd say.


How old are the oldest fossils of bacteria?

Stromatolites have been dated back to as far as 3.4 billion years ago, and are amongst the oldest known fossils found on Earth. Stromatolites are still present today, and can be found in very salty lakes, and marine lagoons.


Name of the oldest fossil found in Australia?

The oldest fossils in Australia are 3.5 billion year old stromatolites. Stromatolites are layered accretions of prokaryotic microbes, most often made up of photosynthetic organisms. Stromatolites still live in Australia today.


When did the first fossils form?

The oldest known fossils are up to 3.5 billion years old.


How old are the oldest homo sapiens sapiens fossils found?

Like 3.9 million years old(+*+)o SNIPE SHOT


What is the age of the oldest cyanobacteria fossil found?

The oldest cyanobacteria fossil found is about 3.5 billion years old, known as the Apex chert fossils from Australia. These fossils provide evidence of the early existence of cyanobacteria, which played a significant role in shaping the Earth's atmosphere and environment.


When did the brontasaurus first roam earth?

Brontosaurus is actually an invalid name for Apatosaurus excelsus. The oldest known Apatosaurus excelsus fossils are 154 million years old.


Where are the oldest fossil located?

The worlds oldest fossils were found in an ancient beach in Austrila, they are 3.4 billion years old and are fossils of cells. They have no bones and are mineralized spheres.


How fossil tell the age of earth?

Fossils can only provide an estimation of the age of the formation surrounding it. One scientific method of dating a fossil involves analysing the isotopes surrounding it. Another method involves looking at the layers of rock in which it is embedded.


Oldest fossils been found on?

Australia has three billion year old exposed land.