| 1 |
16 ounces |
0 |
Life as we know it is flourishing to new extremes.
|
| 2 |
15.99999995 ounces |
14 |
We were born.
|
| 3 |
15.9991-15.99997 ounces |
25,500-10,000 |
|
The most recent glaciation covers much of the northern United States in an ice sheet.
|
| 4 |
15.999 ounces |
300,000 |
|
The Geminga supernova explodes about 60 parsecs away, and shines as bright as the moon.
|
| 5 |
15.98 ounces |
6,000,000 |
Humans begin to evolve.
|
| 6 |
15.786 ounces |
65,000,000 |
The reign of the dinosaurs comes to an end, with them becoming extinct.
|
| 7 |
15.31 ounces |
200,000,000 |
The first warm blooded mammals begin to evolve.
|
| 8 |
15.301 ounces |
201,000,000 |
An anoxic event causes a mass ocean extinction, killing 20% of all marine families.
|
| 9 |
15.29-15.54 ounces |
205,000,000-135,000,000 |
This is the Jurassic time period.
|
| 10 |
15.26 ounces |
214,000,000 |
A meteor impacts the Earth creating a 100 kilometer crater in Manicougan, Quebec, Canada.
|
| 11 |
15.24 ounces |
220,000,000 |
The Gymnosperm forests begin to dominant creating a size increase in herbivore populations.
|
| 12 |
14.8 ounces |
350,000,000 |
The first plants with roots start to evolve.
|
| 13 |
14.8-14.96 ounces |
350,000,000-300,000,000 |
Amphibians began to evolve and increase in population size.
|
| 14 |
14.7 ounces |
375,000,000 |
A tectonic plate collision between North America, Africa, and Europe creates the Appalachian mountains.
|
| 15 |
14.67 ounces |
385,000,000 |
The oldest fossillised tree is dated as 385 million years old.
|
| 16 |
14.58-14.77 ounces |
410,000,000-355,000,000 |
The Devonian period experienced the first significant signs of organisms adapting to their enviroment.
|
| 17 |
14.4 ounces |
460,000,000 |
Bony and cartilage fish have evolved.
|
| 18 |
14.2 ounces |
540,000,000 |
The first vertebrates have evolved.
|
| 19 |
14 ounces |
545,000,000 |
A Cambrian explosion, or a rapid apperance, of hard-bodied organisms happens.
|
| 20 |
13.74 ounces |
650,000,000 |
Snowball Earth occurs encasing the entire Earth in ice and snow.
|
| 21 |
11.8 ounces |
1,200,000,000 |
The first sexual reproduction occurs.
|
| 22 |
10.8-13.92 ounces |
1,500,000,000-600,000,000 |
An increase in multicellular organisms occus.
|
| 23 |
10.8 ounces |
1,500,000,000 |
Eukaryotic cell organisms began to develop.
|
| 24 |
9.1 ounces |
2,000,000,000 |
The ozone layer forms.
|
| 25 |
3.9 ounces |
3,500,000,000 |
Photosynthesis begins in blue-green algae, which cause them to release oxygen molecules into the atmosphere, and leads to the development of the ozone layer.
|
| 26 |
3.9-9.27 |
3,500,000,000-2,800,000,000 |
Prokaryotic cell organisms begin to develop.
|
| 27 |
2.8 ounces |
3,800,000,000 |
The oldest evidence of life is dated back to this time period.
|
| 28 |
2.8 ounces |
3,800,000,000 |
The surface of the Earth changes from molten into solid rock.
|
| 29 |
2.8 ounces |
3,800,000,000 |
The condensation of the atmospheres water turns into oceans.
|
| 30 |
0 ounces |
4,600,000,000 |
The Earth is formed.
|