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The Earth is about 4.5 billion years old. Life appeared on Earth about 3.5 billion years ago. The Earth would have been about 1 billion years old at that time.
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∙ 13y ago
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Does earth shape life or life shapes earth?
Earth shapes life. Life has to adapt to the environment they find here on earth.
How did life on earth influence the development on earth atmosphere?
because of the first form of life that appeared on Earth and envolved. The new organism called cyanobacteria, used carbon dioxide and water to produce oxygen as a waste product. The oxygen accumulated in the atmosphere, and some of them were converted by the sun into ozone.
What were the accomplishments of the goddess gaia?
Life on Earth, for Gaia is goddess of the Earth and mother of all life on Earth.
What do you call zone of life on earth?
The zone of life on earth is called atmosphere.
Which gas in Earth's atmosphere suggests that there is life on Earth?
The gas in earths atmosphere that suggests that there is life on Earth is oxygen. However carbon dioxide also shows that there is life on Earth.
Life has existed on earth for how long?
Most scientists agree that life on Earth appeared 3.6 billion years ago. The first life forms on the planet were prokaryotes.
What actors and actresses appeared in Life on Earth - 1979?
The cast of Life on Earth - 1979 includes: David Attenborough as Himself - Presenter
How old was the earth when the first mammals appeared?
250 b.c. .
What actors and actresses appeared in The Secret of Life on Earth - 1993?
The cast of The Secret of Life on Earth - 1993 includes: Patrick Stewart as Narrator
What actors and actresses appeared in The Secret Life of Earth - 1996?
The cast of The Secret Life of Earth - 1996 includes: Patrick Stewart as Narrator
How old are Mecca and Medina?
Since the life exist on earth.
When did the first life forms appear on Earth?
Scientists think that the first life forms appeared on Earth about 3.6 billion years ago. These were simple cells that eventually evolved into the abundance of life we see today.
First life appeared how long ago?
Trillions, maybe Quadrillions of years ago. (old answer) On our planet, life begain about 3.8 billion years ago. Heres a timeline http://en.wikipedia.org/wiki/Timeline_of_evolution . And for the other, Inevitably I'm sure their are way more life forms than just on earth. So I cannot say other than that. :) (ask E.T.)lol
What era was when life first flourished on Earth?
The Archean Eon is the period in which the first life on Earth appeared.
How old was the earth when the first mammals appeared how long ago was this?
The first true mammals appeared in the early Jurassic, about 200-180 million years ago. The Earth is approximately 4.54 million years old today, so it would have been about 4.34-4.36 billion years old at that point.
The life of the earth--Also kindly let me know how many more years will earth exist?
The Earth is 4.5 billion years old. Life has been around for 3.5 billion years. Complex life forms originated about 500 million years ago. There is no telling if/when life will cease to exist on Earth or if/when it will be destroyed in space.
Are humans a new phenomenon on the planet earth?
Our race appeared relatively recently, with estimates placing us from 6,000 to 200,000 years old. The earth itself is approximately 4,500,000,000 years old.
