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3.5 Billion Years Ago. This is how old fossil stromatolites have been dated. You can find modern versions of these same formations growing now off the coast of Australia.
About 3,500 million years ago.

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6y ago
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11y ago

Archae bacteria. They live in harsh environments and still to this day exist. Photosynthesis came about when an archae bacterium developed a chloroplast, which is what plants use to make energy.

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Q: When was the first life forms of bacteria?
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Related questions

What was earth's first life forms?

bacteria is not right it is prokaryotes


What modern organisms are thought to be most like the first life-forms on Earth?

Archeo-bacteria


What were the first forms of life?

The first organized form of life is a tiny protozoa.


most of the life forms were of marine origin?

yes it was bacteria


Why would life on earth die out without bacteria?

Bacteria play a crucial role in various ecosystems by cycling nutrients, decomposing organic matter, and maintaining soil fertility. Without bacteria, other organisms would struggle to survive due to the lack of nutrient recycling and decomposition processes that bacteria facilitate. This would disrupt the balance of ecosystems and ultimately lead to the decline and extinction of many life forms on Earth.


Is archea mulitcellular or single-celled?

archaebacteria are the type of bacteria which dates back to the first forms of life on earth. And its my guess that bacteria are unicellular whether unicellular or multicellular


Is there life in earth?

Answ2. Yes there are life forms in earth. worms, insects and bacteria. In the Antarctic, they have even found life-forms inside what appears to be solid rock.


The archaebacteria were probably the first what?

they were probably the first multicelluar life- forms


Which statement is ture for bacteria?

There are many statements which are true for bacteria. Bacteria come in various shapes and they consist of a single cell. Bacteria are known to be small in size but very complex in terms of structure.


Which creature has the highest population on Earth?

There is more bacteria than other forms of life.


Earliest forms of life on earth?

the were archbacteria they were the simplest bacteria and didn't use oxygen


Where did life come first?

Life came from bacteria that is in a humans body . That is where life came from first