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Subjects>Science>Zoology

Life has existed on earth for how long?

Anonymous

∙ 13y ago

Updated: 6/30/2024

Most scientists agree that life on Earth appeared 3.6 billion years ago. The first life forms on the planet were prokaryotes.

Wiki User

∙ 10y ago

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Life on Earth is estimated to have started around 3.5 to 3.8 billion years ago, with the first microorganisms appearing in the ancient oceans. This marks the beginning of the evolutionary journey that has led to the diverse array of life forms present on Earth today.

AnswerBot

∙ 8mo ago

roughly 3.8 billion years old

Wiki User

∙ 15y ago

3.5 billion years

Wiki User

∙ 13y ago

God :)

Wiki User

∙ 12y ago

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Continue Learning about Zoology

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Cows have existed for maybe a little over 5000 years.

How long have zombies existed?

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To be useful as an index fossil fuel spices must have existed for how long?

To be useful as an index fossil fuel, spices must have existed for about 1000 years.

Is zoologist physical earth or life science?

"life"

How long have reptiles lived on earth?

Reptiles first appeared on Earth over 300 million years ago during the Carboniferous period. They have existed alongside dinosaurs and have evolved into various forms, adapting to different environments over time. Reptiles continue to thrive today and are found in almost every ecosystem on Earth.

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Related Questions

How long have germs existed?

since the creation of life on Earth.

If Earth's history was represented by one 24-hour day approximately how long has life proliferated on the planet?

Life has existed for most of the history of Earth. It is not known exactly for how long, but it seems to have existed for at least 3.7 billion years; you can compare this with the 4.568 billion years that the Solar System existed. It is possible that life existed longer, but left no traces (fossils).

Where was electricity founded?

Electricity is a natural feature of Earth, and has existed almost as long as Earth had existed.

For how long were prokaryotes the only kind of life on earth?

Prokaryotes were the only kind of life on earth approximately 2 billion years ago. They existed long before eukaryotes ever came into existence at all.

For what percentage of time has life existed on Earth?

Life has existed on Earth for approximately 3.5 billion years, which accounts for around 75% of the total time that the planet has existed (about 4.6 billion years).

If earth is 24 hours a day How long has life been in place?

Life on Earth is estimated to have existed for around 3.5 billion years. This means that life has been present on Earth for a vast majority of its 24-hour "day."

For what fraction of geologic time life has existed on earth for what fraction of geologic time have human existed on the earth?

Approx 1/22500 of it.

How long have homosapiens existed?

Homo sapiens have existed on Earth for approximately 300,000 years.

How long has starfish existed on Earth?

for as long as they can they live in the ocean .

Who invented electrolyte?

Nobody. Electrolytes are liquids, damp pastes, or solids containing equal numbers of mobile positive and negative ions. They have existed on earth since it formed, long before the first life existed.

When was creativity born?

It has existed as long as life has existed. Even paramecia are creative in how they catch their prey.

How long have bugs been on earth?

Bugs have existed on earth for over 435 million years.

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