| 1 |
3,300 miles from Los Angeles |
0 |
After billions of years, humans now live on Earth.
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| 2 |
3,299.999 miles from Los Angeles |
17 |
I was brought into the world by my mother.
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| 3 |
3,299.999 miles from Los Angeles |
1,500 years ago |
A land bridge appears between Alaska and Siberia which allows humans to migrate to America.
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| 4 |
3,299.885 miles from Los Angeles |
160,000 years ago |
Homo sapiens start to appear.
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| 5 |
3,298.5 miles from Calais |
2.1 mya |
 In Yellowstone, a super volcano erupts.
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| 6 |
3,297 miles from Los Angeles |
4 mya |
North and South America join together at the Isthmus of Panama, which allows animals and plantgs to cross the new land bridge.
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| 7 |
3,280 miles from Los Angeles |
27.8 mya |
In La Garita, Colorado there was a super volcano eruption.
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| 8 |
3,267 miles from Los Angeles |
45 mya |
Modern mammals appear.
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| 9 |
3,253 miles from Los Angleles |
65.5 mya |
There was a mas extinction of 80%-90% of marine species and 85% of land species.
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| 10 |
3,225 miles from Los Angeles |
105 mya |
Modern mammals and birds begin to develop.
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| 11 |
3,221 miles from Los Angeles |
110 mya |
Crocodiles start to appear.
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| 12 |
3,167 miles from Los Angeles
|
185 mya |
Flying reptiles appear.
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| 13 |
3,156 from From Los Angeles |
201 mya |
A mass extincion that was caused by oceanic anoxic event that killed 20% of all marine families.
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| 14 |
3,129 miles from Los Angeles |
240 mya |
Sea urchins called Arkarua appear.
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| 15 |
222 miles from Calais |
310 MYA
|
|
The first reptiles appear on the earth.
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| 16 |
268 miles from Calais
|
374 MYA
|
A mass extinction occurred over a period of 20 million years due to total depletion of oxygen levels in the bottom of the ocean and global cooling. 70% of marine species were wiped out.
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| 17 |
269 miles from Calais
|
375 MYA
|
Vertebrates with legs first appear on Earth, and the first amphibians appear.
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| 18 |
295 miles from Calais
|
411 MYA
|
|
The first fish with jaws, or sharks, appear on the earth.
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| 19 |
318 miles from Calais |
443 MYA |
The second largest mass extinction event occurs, wiping out 49% of genera and fauna species. This mass extinction is known as the Glaciation of Godwana.
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| 20 |
416 miles from Calais
|
580 MYA
|
Soft-bodied organisms, such as jellyfish, develop and appear.
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| 21 |
466 miles from Calais
|
650 MYA
|
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A mass extinction on Earth occurs due global glaciation. This global glaciation is often referred to as "Snowball Earth" due to the enormous amounts of ice and snow that covered the Earth's surface from pole to pole. Because of this snow and ice, 70% of dominant sea plants were wiped out.
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| 22 |
717 miles from Calais
|
1,000 MYA
|
The first multicellular organisms appear on Earth.
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| 23 |
861 miles from Calais |
1,200 MYA |
The first gamete formation occurs, indicating the first sexual reproduction on Earth occurred!
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| 24 |
1,076 miles from Calais
|
1,500 MYA |
The first eukaryotic cells appear on the earth.
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| 25 |
1,578 miles from Calais |
2,200 MYA |
|
The first organisms that are capable of aerobic respiration appear.(First mitochondria appear in organisms.)
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| 26 |
1,793 miles from Calais |
2,500 MYA |
Oxygen begins to appear on Earth, accumulating initially in oceans and the atmosphere.
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| 27 |
2,511 miles from Calais |
3,500 MYA
|
The existence of unicellular prokaryotes begins. One of these unicellular prokaryotic organisms, cyanobacteria, is the first known oxygen producing bacteria.
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| 28 |
2,726 miles from Calais |
3,800 MYA |
The surface of the earth changed from molten rock to primarily solid, igneous rock.
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| 29 |
2,798 miles from Calais |
3,900 MYA |
The first carbon minerals begin to form, causing the amount of carbon dioxide initially in the atmosphere to decrease.
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| 30 |
3,300/3228 miles from Calais
|
4,600/4,500 MYA |
|
The formation of the earth occurs.
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