CHAPTER 9

or CHAPTER 109: THE LAST FEW BILLION YEARS

(300 MILLION – 3 BILLION YEARS AGO)

Model of proterozoic life, 600 MYA 1

I.  Geological Time Periods

II.  Oxygen And Eukaryotic Cells

III.  Sexual Reproduction

IV.  The Sexual Evolution

V.  From Amoebas To Amniotes

VI. Consciousness, Communication, Competition, Cooperation

VII.  The Rest Of The World

VIII.  Summary

IX.  Image Gallery:  Human Ancestors

X.  Chapter 9 Margin Notes (Blog Posts)

 

  1. Photo “Life in the Ediacaran Sea” by Ryan Somma, Creative Commons License 2.0, https://www.flickr.com/photos/ideonexus/2237406519/in/photostream/ (accessed and saved 2015). Diorama understood to be in the public domain as the work of the US federal government (National Museum of Natural History)
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