The Hostile World Where Animal Life Began

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For decades, researchers thought they had a solid idea about the earliest booms in animal life. But new research might have turned off the gas on all these ideas, flipping our understanding of the Avalon explosion and the Cambrian explosion on their newly-evolved heads.

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Sources:
https://www.researchgate.net/profile/Chadlin-Ostrander/publication/370628818_Widespread_seafloor_anoxia_during_generation_of_the_Ediacaran_Shuram_carbon_isotope_excursion/links/64734b1b6fb1d1682b164c78/Widespread-seafloor-anoxia-during-generation-of-the-Ediacaran-Shuram-carbon-isotope-excursion.pdf
https://www.eurekalert.org/news-releases/994748
https://biogeochem.wustl.edu/pdfs/Grotzinger_Shuram_Review_NGeo_2011.pdf
https://www.science.org/doi/abs/10.1126/science.1150279
https://www.nature.com/articles/nature09810
https://www.sciencedirect.com/science/article/pii/S000925411630657X
https://pubs.geoscienceworld.org/gsa/geology/article-abstract/31/1/27/192499/Life-after-snowball-The-oldest-complex-Ediacaran
https://www.sciencedirect.com/science/article/pii/S1342937X14003256
https://pubmed.ncbi.nlm.nih.gov/17151665/
https://www.nature.com/articles/s41467-023-39962-9#Sec2

Images:
https://www.gettyimages.com/detail/photo/paleontologist-working-on-dinosaur-fossil-royalty-free-image/157285953?phrase=paleontology&adppopup=true
https://www.gettyimages.com/detail/photo/archaeological-excavations-archaeologists-work-dig-royalty-free-image/1307568921?phrase=paleontology&adppopup=true
https://www.sciencedirect.com/science/article/pii/S1342937X14003256#f0040
https://www.gettyimages.com/detail/photo/dickinsonia-extinct-creatures-of-the-ediacaran-era-royalty-free-image/1133064533?phrase=dickinsonia&adppopup=true
https://www.gettyimages.com/detail/photo/fermentation-process-on-the-lake-surface-densely-royalty-free-image/1305037383?adppopup=true
https://commons.wikimedia.org/wiki/File:Charnia.png
https://commons.wikimedia.org/wiki/File:Arkarua_adami_pennetta.png
https://royalsocietypublishing.org/doi/10.1098/rspb.2014.1202
https://journals.plos.org/plosbiology/article?id=10.1371/journal.pbio.3001289
https://www.nature.com/articles/s41467-023-39962-9/figures/1
https://www.gettyimages.com/detail/video/mysterious-underwater-scenery-with-bubbles-underwater-stock-footage/1085255200?adppopup=true
https://www.nature.com/articles/s41467-023-39962-9
https://www.gettyimages.com/detail/photo/dickinsonia-extinct-creature-of-the-ediacaran-era-royalty-free-image/1133064414?phrase=ediacaran+&adppopup=true
https://www.researchgate.net/figure/Photomicrograph-of-the-Nafun-Group-A-Sparry-limestone-medium-coarsely-crystalline_fig2_341808174
https://www.gettyimages.com/detail/photo/dickinsonia-is-a-genus-of-fossils-of-the-ediacaran-royalty-free-image/624715234?phrase=dickinsonia+fossil&adppopup=true
https://commons.wikimedia.org/wiki/File:Diorama_of_the_Ediacaran_biota_at_the_Field_Museum_in_Chicago.jpg
https://commons.wikimedia.org/wiki/File:Kimberella_diorama.jpg
https://www.sciencedirect.com/science/article/pii/S1342937X14003256#f0015
https://www.gettyimages.com/detail/video/group-of-multi-ethnic-business-people-working-together-stock-footage/1423715280?adppopup=true
https://www.gettyimages.com/detail/video/economic-growth-and-falls-graph-on-a-device-screen-and-stock-footage/1433156419?adppopup=true
https://gettyimages.com/detail/video/female-developer-writes-program-code-on-a-computer-stock-footage/1391018671?adppopup=true