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autotrophic prokaryotes enriched the atmosphere with oxygen in the precambrian era :) hope this helps

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Q: What era did autotrophic prokaryotes enrich the atmosphere with oxygen?
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Related questions

What organisms produced the oxygen gas in Earth's atmosphere in ancient times?

autotrophic prokaryotes!


How did the evolution of photosynthetic prokaryotes affect the level of oxygen in the atmosphere?

Photosynthesizing prokaryotes affected the ancient atmosphere by adding oxygen. In ancient times the oxygen level was .42%, compared to the 21% oxygen level now. Photosynthesizing prokaryotes have made the world livable today.


Why does all life on earth depend upon metabolic diversity of prokaryotes?

Life on earth depend upon metabolic diversity of prokaryotes because Prokaryotic photosynthesis provides free oxygen in the atmosphere


What change occurred in Earth's atmosphere after the evolution of photosynthesizing prokaryotes?

The rapid rise of atmospheric oxygen illustrated in the geological record by layers of iron oxides.


What are the by products of autotrophic nutrition?

They are: a) Oxygen b) Water


Do autotrophic bacteria release oxygen into the air?

Yes


What waste product do autotrophic bacteria produce?

Oxygen....


Are all cells are autotrophic?

The first living cells had to be autotrophic because if they were not then they would die, autotrophic bacteria produce oxygen and can live in our older Earth's climate. Any other would die from a lack of oxygen.


Does atmospheric oxygen increase after the evolution of photosynthetic prokaryotes?

Yes, as oxygen is one of the products of the photosynthetic process. Water is " cracked " to provide electrons for the chlorophyll pigment as a replacement process and the oxygen is released from H2O and goes back into the atmosphere through the stomata.


How does seaweed give us oxygen?

yes it is autotrophic


Most of the worlds oxygen is produced by?

Most of the worlds oxygen is produced by Trees.


What is the oxygen content of the atmosphere?

The atmosphere is 79.9% oxygen.