Editing Adaptive radiation (section)

===Relationship between mass-extinctions and mass adaptive radiations===
{{See also|Cambrian explosion#End-Ediacaran mass extinction}}
{{Phanerozoic biodiversity}}
{{Expand section|date=January 2021}}
A 2020 study found there to be no direct causal relationship between the proportionally most comparable mass radiations and [[mass extinction|extinctions]] in terms of "co-occurrence of species", substantially challenging the hypothesis of "creative mass extinctions".<ref>{{cite news |last1=Black |first1=Riley |title=Earth's Biodiversity Bursts Do Not Follow Expected Pattern |url=https://www.scientificamerican.com/article/earths-biodiversity-bursts-do-not-follow-expected-pattern/ |access-date=17 January 2021 |work=Scientific American |language=en}}</ref><ref>{{cite news |title=Artificial intelligence finds surprising patterns in Earth's biological mass extinctions |url=https://phys.org/news/2020-12-artificial-intelligence-patterns-earth-biological.html |access-date=17 January 2021 |work=phys.org |language=en}}</ref><ref>{{cite journal |last1=Hoyal Cuthill |first1=Jennifer F. |last2=Guttenberg |first2=Nicholas |last3=Budd |first3=Graham E. |title=Impacts of speciation and extinction measured by an evolutionary decay clock |journal=Nature |date=December 2020 |volume=588 |issue=7839 |pages=636–641 |doi=10.1038/s41586-020-3003-4 |pmid=33299185 |bibcode=2020Natur.588..636H |s2cid=228090659 |url=https://www.nature.com/articles/s41586-020-3003-4 |access-date=17 January 2021 |language=en |issn=1476-4687}}</ref>