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Q: How do you know when the different kinds of organisms first appeared on earth?
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Related questions

What type of organisms first appeared on earth?

Earth's first organisms were the Single- Celled organismsBacteriaFungiAnd Protozoa


When did Multicellular organisms first appeared?

Multicellular organisms first appeared during the Vendian period.


What organisms appeared first in earths history?

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?

Who appeared on the earth first


What thing existed on 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.


When did the biosphere begin to evolve?

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.


How many years ago did the first multicellular organisms appeared on earth?

2 billion years ago ... You Plato user huh....


What were likely the first organisms on earth?

Bacteria.


The first eukaryotic organisms on earth were?

Protists


What type of organisms were the first living organisms on Earth?

blue green algae archebacteria


What were most likely the first organisms on earth?

Bacteria.


What were the first organisms to form on early earth?

bacteria