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Microorganisms.
Microorganisms already existed in space, floating about on space debris like ice and rock, long before Earth even existed. This is confirmed by microfossils found on meteorites that have crashed into the Earth.
Studies indicate that the first living thingson Earth were single-celled microorganisms called Archaea.
What else can I help you with?
What do scientists believe was the first piece of living organism on earth?
bacteria
What is the bigest living creature on earth?
I believe the biggest living creature that scientists know of right now is the Blue Whale.
How long old do scientists believe the earth is?
Scientists estimate that the Earth is around 4.5 billion years old based on radiometric dating of rocks and meteorites. This estimate comes from studying the age of the oldest rocks on Earth and moon samples collected during space missions.
What is the oldest living thing in existence?
Excluding God, no offense, The universe. On the Earth, scientists have found a tree that they estimate to be 9550 years old. See the related link for more information.
What molecule do scientists believe came first in the evolution of life on Earth?
Scientists believe that the molecule that came first in the evolution of life on Earth is RNA (ribonucleic acid).
Is the Bristlecone pine the oldest or biggest tree on earth?
The Bristlestone Pine is the oldest not largest, it is estamted that the oldest living one on earth at the moment (Methuseslah) is 4,767 years old.
Who is the oldest person on earth!! In 2022?
The oldest-living human is currently Jamaica's Violet Brown, who is 117.
What is the oldest living creature on earth?
It would be sharks. They outlived dinosaurs!
Is earth the oldest planet?
No, Earth is not the oldest living planet. According to some theories all the major components in the solar system was created at approximately the same time. About 5 billion years ago. The oldest rocks on earth show this to be about the age of the earth as a single body and those brought back from the moon show the same age. There are objects that may have been captured by the planets, some moons of the gas giants for instance. This may also be the case of our moon.
Increases towards the center of the Earth?
Scientists believe it does. Yes.
How old do scientists believe the earth to be?
Scientists believe that the Earth is approximately 4.5 billion years old based on radiometric dating of rocks and meteorites.
What do scientists believe is happening to the earth because of the greenhouse effect and pollution?
Scientists believe that global warming is happening to the earth because of the greenhouse effect and carbon dioxide pollution in the atmosphere.
