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Currently you can find life just about anywhere on Earth.
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∙ 8y ago
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What percentage of earths history had life present?
That question cannot be answer as of yet.
Why are fossils important to earths history as a planet?
Fossils aren't but the life that made them is.
What essentials for life are found in earths atmosphere?
The Earths atmosphere protects the earth from meteors and it tgives us oxygen
Have the number and type of life forms remained fairly constant throughout earths history?
Ya
Is oxygen found outside earths atmosphere?
Yes. Earth's atmosphere is about 21% oxygen. Without it, the vast majority of life we see, including humans, could not exist.
According to its name the archaeozoic era of earths history was characterized by what type of life form?
unicellular organisms are earliest forms of life
What event in earths history was dependent on the development of a certain type of life form?
addition of free oxygen
Why Describe how fossils can provide evidence of how environmental conditions and life have changed during earths history?
hi
Has evidence of life been found outside the earths atmosphere?
Unless you mean astronauts, then no. Unfortunately, no evidence of alien life, not even bacteria, has been found so far.
What are the prehistoric eras?
There are so far 4 Eras in the earths history. the one that started the beginning if the earths history: Precambrian Time. The one after that was the Paleozoic Era, which means "ancient life." next was mesozoic which means "middle life" the one we are in is called the Cenozoic Era which means" recent life." * All Eras ended with a mass extinction.
Can life be found on planet?
Yes! Life could be found on planet earth!
What are the possible things that could happened on life on land when the earths ozone layer was thinning?
It could cause eye cataract. It could also lead to skin cancer.
