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Megan and Daniella's Timeline
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Megan an Daniella's Timeline
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Life History Event Timeline

APES LIFE HISTORY ANALOGY If all of life's history (3.7 billion years) were 16 ounces (1 pound), then the following events would weigh in at 


 

 

 

 Event #  Your Analogy Value Years Ago 
1 16 ounces 0
Description of Events that Affected Life on Earth. Also Include Picture or Videos.
                       

Life as we know it is flourishing to new extremes.

 Event #  Your Analogy Value Years Ago 
 2  15.99999995 ounces 14
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 
      
  

 We were born.
 Event #  Your Analogy Value Years Ago 
 3  15.9991-15.99997 ounces 25,500-10,000
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 


The most recent glaciation covers much of the northern United States in an ice sheet.

 Event #  Your Analogy Value Years Ago 
 4  15.999 ounces 300,000
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 


The Geminga supernova explodes about 60 parsecs away, and shines as bright as the moon.

 Event #  Your Analogy Value Years Ago 
 5 15.98 ounces 6,000,000
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 
Invention of the wheel and writing.

 Humans begin to evolve.

 Event #  Your Analogy Value Years Ago 
6 15.786 ounces 65,000,000
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 
            

 The reign of the dinosaurs comes to an end, with them becoming extinct.

 Event #  Your Analogy Value Years Ago 
7 15.31 ounces 200,000,000
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 
            

 The first warm blooded mammals begin to evolve.

 Event #  Your Analogy Value Years Ago 
8 15.301 ounces 201,000,000
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 
           

 An anoxic event causes a mass ocean extinction, killing 20% of all marine families. 

 Event #  Your Analogy Value Years Ago 
9 15.29-15.54 ounces 205,000,000-135,000,000
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 
           

 This is the Jurassic time period.

 Event #  Your Analogy Value Years Ago 
10 15.26 ounces 214,000,000
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 
            

 A meteor impacts the Earth creating a 100 kilometer crater in Manicougan, Quebec, Canada.

 Event #  Your Analogy Value Years Ago 
11 15.24 ounces 220,000,000
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 
            

 The Gymnosperm forests begin to dominant creating a size increase in herbivore populations.

 Event #  Your Analogy Value Years Ago 
12 14.8 ounces 350,000,000
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 
            

 The first plants with roots start to evolve.

 Event #  Your Analogy Value Years Ago 
13 14.8-14.96 ounces 350,000,000-300,000,000
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 
 

Amphibians began to evolve and increase in population size. 

 Event #  Your Analogy Value Years Ago 
14 14.7 ounces 375,000,000
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 
            

 A tectonic plate collision between North America, Africa, and Europe creates the Appalachian mountains.

 Event #  Your Analogy Value Years Ago 
15 14.67 ounces 385,000,000
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 
            

 The oldest fossillised tree is dated as 385 million years old.

 Event #  Your Analogy Value Years Ago 
16 14.58-14.77 ounces 410,000,000-355,000,000
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 
            

 The Devonian period experienced the first significant signs of organisms adapting to their enviroment.

 Event #  Your Analogy Value Years Ago 
17 14.4 ounces 460,000,000
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 
            

 Bony and cartilage fish have evolved.

 Event #  Your Analogy Value Years Ago 
18 14.2 ounces 540,000,000
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 
 

 The first vertebrates have evolved.

 Event #  Your Analogy Value Years Ago 
19 14 ounces 545,000,000
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 
            

 A Cambrian explosion, or a rapid apperance, of hard-bodied organisms happens.

 Event #  Your Analogy Value Years Ago 
20 13.74 ounces 650,000,000
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 
 

 Snowball Earth occurs encasing the entire Earth in ice and snow.

 Event #  Your Analogy Value Years Ago 
21 11.8 ounces 1,200,000,000
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 
 

 The first sexual reproduction occurs.

 Event #  Your Analogy Value Years Ago 
22 10.8-13.92 ounces 1,500,000,000-600,000,000
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 
            

 An increase in multicellular organisms occus.

 Event #  Your Analogy Value Years Ago 
23 10.8 ounces 1,500,000,000
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 
            

 Eukaryotic cell organisms began to develop.

 Event #  Your Analogy Value Years Ago 
24 9.1 ounces 2,000,000,000
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 
 

 The ozone layer forms. 

 Event #  Your Analogy Value Years Ago 
25 3.9 ounces 3,500,000,000
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 
            

 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.

 Event #  Your Analogy Value Years Ago 
26 3.9-9.27 3,500,000,000-2,800,000,000
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 
 

 Prokaryotic cell organisms begin to develop.

 Event #  Your Analogy Value Years Ago 
27 2.8 ounces 3,800,000,000
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 
           

 The oldest evidence of life is dated back to this time period.

 Event #  Your Analogy Value Years Ago 
28 2.8 ounces 3,800,000,000
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 
            

 The surface of the Earth changes from molten into solid rock.

 Event #  Your Analogy Value Years Ago 
29 2.8 ounces 3,800,000,000
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 
            

 The condensation of the atmospheres water turns into oceans.

 Event #  Your Analogy Value Years Ago 
30 0 ounces 4,600,000,000
Description of Events that Affected Life on Earth. Also Include Picture or Videos. 
           

 The Earth is formed.