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The first organism appeared during the Proterozoic period. It is estimated that the first organism appeared between 2.5 and 3.8 billion years ago.

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9y ago
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12y ago

The Precambrian Time

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Q: In what geological era did the first organisms arise?
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Related questions

What is the oldest era geologically?

The oldest geological era is the Precambrian period. It is the period of Earth's formation, as well as the origin of the first single and multi-celled organisms.


In which Geological era did early man appear first?

Early man first appeared in the Cenozoic Era, specifically during the Quaternary Period. This era began around 2.6 million years ago and continues to the present day.


During what era were the first one-celled organisms formed?

During the Archean Eon life started and was dominated by one-celled prokaryotic life forms. Eukaryotic one-celled organisms became dominant in the Proterozoic Eon. Multicellular organisms ruled the planet during the eon known as the Phanerozoic.


What is the third geological era?

paleozoic era


What is present geological era?

Cenozoic Era


In what Era did the first land dwelling organisms appear?

the paleozoic era


What geological era's rocks were first studied in Germany's Jura mountains?

Jurassic, after the location.


What is the order of the Geological era?

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What is the most recent geological era?

The Cenozoic era


What geological events were in mesozoic era?

The geological events in the Mesozoic Era include, but are not limited to...The breaking up of Pangaea.The great meteor that hit earth destroying the dinosaurs


What are four divisions of geological time?

Precambrian Era, Paleozoic Era, Mesozoic Era, Cenozoic Era


What geological time are you in?

the neozoic era