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Alyssa and Sarah's Geological Timeline
Project Name : Alyssa and Sarah's Geological Timeline
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Geologic Timeline
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            Life History Event Timeline

APES LIFE HISTORY ANALOGY If all of life's history (3.7 billion years) were a desk ruler, then the following events would happen at


 

 Event #  Your Analogy Value Years Ago 
1 11.7 inches 4,700 MYA
Description of Events that Affected Life on Earth. Also Include Picture or Videos.


Formation of the Earth and the Moon (indicated by dating of rocks from the moon)
 Event #  Your Analogy Value Years Ago 
 2  10.2 inches 4,000 MYA
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 


Likely origin of life
 Event #  Your Analogy Value Years Ago 
 3 10 inches 3,900 MYA
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 


1st Crust Rocks
 Event #  Your Analogy Value Years Ago 
 4 9.7 inches 3,800 MYA
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 


1st Prokaryotes
 Event #  Your Analogy Value Years Ago 
 5 9.7 inches 3,800 MYA
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 


Oldest Known Rocks
 Event #  Your Analogy Value Years Ago 
6 8.9 inches 3,500 MYA
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 

Oldest known fossils (single celled organisms resembling bacteria) 
 Event #  Your Analogy Value Years Ago 
7 8.2 inches
3,200 MYA






Description of Events that Affected Life on Earth. Also Include Picture or Videos. 

First known Plants (Algae)
 Event #  Your Analogy Value Years Ago 
8 5.1 inches 2,500 MYA
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 
 


First Photosynthesis
 Event #  Your Analogy Value Years Ago 
9 5.1 inches 2,000 MYA
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 

First Ozone Layer
 Event #  Your Analogy Value Years Ago 
10 5.1 inches 2,000 MYA
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 

1st Eukaryotic Organisms
 Event #  Your Analogy Value Years Ago 
11 3.8 inches 1500 MYA
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 
 First Multi-Celled Organisms(algae) 
 Event #  Your Analogy Value Years Ago 
12 1.7 inches 670 MYA
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 
 
Oldest Marine Worms and Jellyfish 
 Event #  Your Analogy Value Years Ago 
13 1.3 inches 505 MYA
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 
 
First Fish 
 Event #  Your Analogy Value Years Ago 
14 1.2 inches 470 MYA
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 
 
fossil evidence of land plants 
 Event #  Your Analogy Value Years Ago 
15 .8 inches 330 MYA
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 
 

First Possible Reptiles
 Event #  Your Analogy Value Years Ago 
16 .6 inches 228 MYA
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 

1st Dinosaurs
 Event #  Your Analogy Value Years Ago 
17 .4 inches 150 MYA
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 

1st Birds Appear
 Event #  Your Analogy Value Years Ago 
18 .3 inches 115 MYA
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 
 
1st Flowering Plants Appear
 Event #  Your Analogy Value Years Ago 
19 .2 inches 75 MYA
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 


Climate Warmer, with higher sea level

 Event #  Your Analogy Value Years Ago 
20 distance 65 MYA
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 


Extinction Of Dinosaurs

 Event #  Your Analogy Value Years Ago 
21 .2 inches 64  MYA
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 
 
Grasses become widespread
 Event #  Your Analogy Value Years Ago 
22 .2 inches 60 MYA
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 

First ancestors of dogs and cats
 Event #  Your Analogy Value Years Ago 
23 .1 inches 57 MYA
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 


First ancestors of pigs and deers
 Event #  Your Analogy Value Years Ago 
24 .1 inches 53 MYA
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 

Horses, whales, and monkeys first appear in the fossil record
 Event #  Your Analogy Value Years Ago 
25 .1 inches 45 MYA
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 


First ancestors of rabbits

 Event #  Your Analogy Value Years Ago 
26 .08 inches 34 MYA
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 

Elephants and apes first appear in the fossil records
 Event #  Your Analogy value Years Ago 
27 .03 inches 15 MYA
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 

hominids appear in the fossil record
 Event #  Your Analogy Value Years Ago 
28 .002 inches 1 MYA
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 

The Modern Ice age
 Event #  Your Analogy Value Years Ago 
29 .00002 inches .01 MYA
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 

Began with the end of the most recent glaciation

 Event #  Your Analogy Value Years Ago 
30 .00000003 inches .000015 MYA
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 

The wonderful and most important Sarah (November 7) and Alyssa (February 23) were born! Yayyy!!
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