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Many people think that some dinosaur lineages became so gigantic because the oxygen levels in the atmosphere were higher at the time. But was that really the case? And if so, does that make any sense? DOPPEL T-SHIRTS: https://bit.ly/PirullaNaDoppel PROMOTION take 4 Pay 3 / take 6 pay 4 / take 8 pay 5 / take 10 pay 6 Add 4, 6, 8, 10 or more items to your cart and the discount will appear on its own Become a member: / pirulla25 My Twitter: / pirulla25 My fanpage: / canaldopirula My insta: @pirulla25 MY BOOK: amzn.to/2EqDprX Mingau Channel, and now with podcasts: / queromingau João Channel: / coelhoprécambriano References: 2007 Model - https://www.science.org/doi/abs/10.11... https://www.ncbi.nlm.nih.gov/pmc/arti... https://theconversation.com/the-rise-... https://news.umich.edu/variations-in-... https://www.eurekalert.org/news-relea... 2013 article, with a colder Mesozoic model (I couldn't find the article on sci-hub to leave open for you) https://www.sciencedirect.com/science... https://www.sciencedaily.com/releases... More recent article, from 2016 - https://www.researchgate.net/publicat... https://pubs.geoscienceworld.org/gsa/... (in case you want to see the supplementary material of the previous article)