What is the title of your report?
Madi and Alyssa's Geological Timeline
Report:
Geological Timeline
If all of geological time (4.6 billion years) were a mile (5280ft), then the following events would happen at:
| 1 |
0 feet |
0 |
|
Now is an interesting time to live. It seems we have so many decisions to make and problems to solve, but life is flourishing on our planet right at this moment. Conditions are right for life.
|
| 2 |
1.6 feet |
15 |
|
We were brought into the world by our mothers.
|
| 3 |
51 feet |
45 MYA |
|
Australia Separates from Antarctica!
|
| 4 |
74 feet |
65 MYA |
|
Mass Extinction of Most Life, Including the Dinosaurs!
|
| 5 |
228 feet |
199 MYA |
|
Humungous Herbivores and Vicious Carnivores Dominate the Land!
|
| 6 |
288 feet |
251 MYA |
|
|
| 7 |
315 feet |
275 MYA |
Formation of Supercontinent Pangea
|
| 8 |
355 feet |
310 MYA |
First Reptiles Appear!
|
| 9 |
401 feet |
350 MYA |
First Winged Insects Appear!
|
| 10 |
429 feet |
374 MYA |
Mass Extinction on 70% of Marine Species!
|
| 11 |
430 feet |
375 MYA |
First Amphibians Appear!
|
| 12 |
477 feet |
416 MYA |
First Forests Appear!
|
| 13 |
482 feet |
420 MYA |
First Fish With Jaws Appear!
|
| 14 |
508 feet |
443 MYA |
|
Mass Extinction of Marine Invertebrates!
|
| 15 |
560 feet |
488 MYA |
First Green Plants + Fungi Appears!
|
| 16 |
612 feet |
534 MYA |
First Animals With Shells Appear!
|
| 17 |
746 feet |
650 MYA |
Formation of "Snowball" Earth!
|
| 18 |
1090 feet |
950 MYA |
Start of Varagian Ice Age!
|
| 19 |
1147 feet |
1000 MYA |
First Multicellular Organisms Appear!
|
| 20 |
1262 feet |
1100 MYA |
Formation of Supercontinent Rodinia!
|
| 21 |
1377 feet |
1200 MYA |
Spore and Gamete Formation! (First Sexual Reproduction)
|
| 22 |
2066 feet |
1800 MYA |
Complex Single-Celled Life Appears!
|
| 23 |
2869 feet |
2500 MYA |
First Free Oxygen is Found in Oceans and in the Atmosphere!
|
| 24 |
2869 feet |
2500 MYA |
Oxygen Levels Rise Significantly!
|
| 25 |
3443 feet |
3000 MYA |
Atmosphere Is 75% Nitrogen & 15% Carbon Dioxide!
|
| 26 |
3673 feet |
3200 MYA |
First Known Plants + Algae Appear!
|
| 27 |
4017 feet |
3500 MYA |
|
Oldest Known Fossils! (Single Celled Organisms)
|
| 28 |
4361 feet |
3800 MYA |
Earths Surface Becomes Molten Lava!
|
| 29 |
4361 feet |
3800 MYA |
Worlds Oldest Rocks Form!
|
| 30 |
5280 feet |
4600 MYA |
Formation of the Earth and Moon!
|