Did Snowball Earth Force Animal Evolution? & What Were The First Animals? GEO GIRL

Ever wonder what the very first animals were? In this video, I go over when the first animals evolved, what they were like, and what may have triggered their evolution! ;D

Link to merch site: https://www.geogirlscience.com/merch/

0:00 Microbial life dominated Earth history
2:32 Cambrian was NOT the first Explosion
3:44 Ediacaran Biota
5:12 Ediacaran mysteries & controversy
6:38 Were Ediacaran Biota animals?
7:59 Were Ediacaran animals related to Cambrian animals?
10:23 Comparing Ediacaran & Cambrian animals
11:56 Likely Ediacaran relationships
12:25 900 Million yr old sponges?!
14:26 What triggered animal evolution?
15:36 How viscosity led to multicellularity
18:21 Opportunities in this field!

References:
Halling et al., 2024: https://doi.org/10.1101/2024.02.06.57...
Potential Sponge fossil 890 Mya! https://doi.org/10.1038/d41586-021-02...
https://doi.org/10.1038/s41586-021-03...
www.ediacaran.org
Earth System History: https://amzn.to/3v1Iy0G
Geomicrobiology: https://amzn.to/2WAloTR
Ediacaran Extinction & Cambrian Explosion- https://doi.org/10.1016/j.tree.2018.0...
Anoxia during Ediacaran- https://doi.org/10.1126/sciadv.aan8983
Ediacaran Mass Extinction- https://doi.org/10.1098/rspb.2015.1003
Hydrogen sulfide increase in ocean during Ediacaran-Cambrian transition- https://doi.org/10.1038%2Fnature07072

GEO GIRL Website: https://www.geogirlscience.com/ (visit my website to see all my courses, shop merch, learn more about me, & donate to support the channel if you'd like!)

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Bamboo toilet paper: https://shrsl.com/3cvku
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Non-textbook books I recommend:
Oxygen by D. Canfield: https://amzn.to/3gffbCL
Brief history of Earth by A. Knoll: https://amzn.to/3w3hC1I
Life on young planet by A. Knoll: https://amzn.to/2RBMpny
Some assembly required by N. Shubin: https://amzn.to/3w1Ezm2
Your inner fish by N. Shubin: https://amzn.to/3cpw3Wb
Oxygen by N. Lane: https://amzn.to/3z4FgwZ
Alien Oceans by K. Hand: https://amzn.to/3clMx1l
Life's Engines: https://amzn.to/3w1Nhke

Tools I use as a geologist/teacher/student:
Geology field notebook: https://amzn.to/3lb6dJf
Geology rock hammer: https://amzn.to/3DZw8MA
Geological compass: https://amzn.to/3hfbdLu
Geological hand lens: https://amzn.to/3jXysM5
Camera: https://amzn.to/3l6fGRT
Carbon-neutral pencil bag: https://shrsl.com/3cvjv
Carbon-neutral backpack: https://shrsl.com/3cvkc

Disclaimer: Links included in this description might be affiliate links. If you purchase a product or service with the links that I provide I may receive a small commission, but there is no additional charge to you! Thank you for supporting my channel so I can continue to provide you with free content each week! And as always, let me know your topic suggestions in the comments down below!