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kap26 [50]
3 years ago
11

How did life on earth begin

History
2 answers:
fomenos3 years ago
7 0

Precisely how life began on Earth remains unclear. It is believed, however, that life started after the planet had cooled enough for bodies of water to form. Scientists have found fossilized single-celled microorganisms in rocks that date to approximately 3.5 billion years ago. Scientists believe that algae is one of the earliest forms of life on our planet.

Nesterboy [21]3 years ago
5 0

Life on earth began around 3900 million years ago. The first lifeform of living things on earth was microorganisms.

 

EXPLANATION

 

There is no definite answer to how life on earth began. The definite answer is still being researched, but there are a few facts that can help us understand about the beginning of life on earth. It’s already agreed that life on earth came from a single primitive lifeform. This process took around 3900 million years ago. Scientists usually believe in naturalism, that only nature can cause life on earth.

 

The first lifeform of living things on earth is called microorganisms. Before it came to be microorganisms, it started with a single cell. Later, the cell is being developed to become a long-term thing. There was a book written about the origin of life. It is written by Melvin Calvin and Alexander Opatin. In their book, they stated that they believed in chemical changes as the cause of life on earth. J.D. Bernal also discussed a lot about cell membrane. Chemicals in many places can perform a special function of vital function.

 

As we have known, the earliest life is microorganisms. The fossils of microorganisms were found in iron or silica-rich rocks. It is located in Canada, exactly in the greenstone belt of Quebec (Nuvvuagittuq). The rocks which were microorganisms has been found around 4,28 years. The first and oldest record of life on earth was microorganisms, and the ocean was formed around 4,4 billion years ago.

LEARN MORE

If you’re interested in learning more about this topic, we recommend you to also take a look at the following questions:

How did life begin? brainly.com/question/9405002  

Big bang theory: brainly.com/question/3333508  

KEYWORD: Life, begin, microorganisms, the origin of life  

Subject: History

Class: 10-12

Subchapter: The origin of life

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