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2 billion years ago ... You Plato user huh....
Protists
fish were they first organisms to have eyes
bacteria is still around and it was one of the first living organisms
The first living organisms on earth were a type of aquatic photosynthetic bacteria called cyanobacteria (blue-green algae). These organisms formed structures called stromatolites. These organisms did not become extinct and still exist in both salt and fresh water environments.
Earth's first organisms were the Single- Celled organismsBacteriaFungiAnd Protozoa
Multicellular organisms first appeared during the Vendian period.
The first organisms on Earth were likely simple single-celled prokaryotes, such as bacteria and archaea, that appeared around 3.5 billion years ago. These early organisms were anaerobic, meaning they did not require oxygen to survive. These primitive life forms eventually evolved into more complex organisms over millions of years.
Who appeared on the earth first
The first living things on Earth, single-celled micro-organisms lacking a cell nucleus or cell membrane and known as prokaryotes first appeared on Earth almost four billion years ago.
The biosphere is defined as the living organisms on earth. As such, it began to evolve when the first organisms appeared. Currently, this is believed to have happened about 3.5 billion years ago.
2 billion years ago ... You Plato user huh....
Bacteria.
Protists
blue green algae archebacteria
Bacteria.
bacteria