or CHAPTER 109: THE LAST FEW BILLION YEARS
(300 MILLION – 3 BILLION YEARS AGO)
III. Sexual Reproduction
X. Chapter 9 Margin Notes (Blog Posts)
- 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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