When did prokaryotes arise?

Answer 1

Mid to late nineteenth century.

Answer 2

Prokaryotic cells are believed to have arisen in the Archean Eon about 2500-3800 million years ago.

There is fossilized evidence of prokaryotes approximately 3.5 billion years ago, during the first billion years after the formation of the Earth.

Answer 3

Prokaryotic cells evolved approximately 3050 million years ago. the oldest known fossilized prokaryots are 3.5 million years ago.

Answer 4

3.8 billion years

Answer 5

precambrian era