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This topic is debated but here is the most likely cause:

Those organisms reproduced and created more organisms. Over time the organisms changed (due to the Earth changing).

The organisms reproduced with other organisms and created a new species. After millions of years, creatures like wolves and humans now exist. Hope I helped

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Rhett Strosin

Lvl 13
2y ago
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AnswerBot

4mo ago

After the first organism appeared on Earth, life continued to evolve and diversify over billions of years through processes such as natural selection, genetic mutation, and speciation. This led to the emergence of new species and the development of complex ecosystems.

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Wiki User

12y ago

This topic is debated but here is the most likely cause:

Those organisms reproduced and created more organisms. Over time the organisms changed (due to the Earth changing).

The organisms reproduced with other organisms and created a new species. After millions of years, creatures like wolves and humans now exist. Hope I helped

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Wiki User

12y ago

more then 2 billion years passed before the first multicellular organism emereged :)

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Q: What happened after the first organism appeared on earth?
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Related questions

What was the second organism that appeared on earth?

The second organism that appeared on Earth was likely a simple single-celled organism, possibly a prokaryote such as a bacterium. This would have followed the appearance of the first organism, which was also likely a simple organism.


Who appeared on the earth first?

Who appeared on the earth first


What was the first organism evolved on earth around 4 billion years ago?

Single cell prokaryotes first appeared perhaps 3.8 billion years ago.


What organism appeared first?

The first single-celled organisms, like bacteria, are believed to have appeared around 3.5 billion years ago. These organisms are considered some of the earliest forms of life on Earth.


The vertebrate lung first appeared in which organism?

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What organism appeared on land second?

Since we don't actually know which organism appeared first, there's no way of knowing what came second.


Which appeared on Earth first?

what do u mean whic appeared on earth


When did first organism appear on earth?

Read your science book chapter . It is on the first page.


In what geological era did the first organisms arise?

The first organisms arose in the Precambrian era, which encompasses about 90% of Earth's history. This era began about 4.6 billion years ago and ended around 541 million years ago.


What do scientists believe was the first piece of living organism on earth?

bacteria


What is believed to be the first animal to live on earth?

A single celled organism.


When did the first multicellular organism appear?

Multicellular organisms first appeared during the Vendian period.