Aug 16, 2021
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To be told the asteroid impact, in the Gulf of Mexico, was a "Mass-Extinction" event, is not exactly "New" news!
Undoubtedly the impact caused a "Nuclear-Winter" lasting between 2 and 3+ decades - which many animal species did not survive. But they were mainly the medium to large size dinosaurs!
The paleontological fossil-record now proves that many smaller, and particularly the feathered dinosaurs did survive, along with the few warm-blooded creatures which had evolved by that time. We are descended from those little furry animals, as the humble modern mouse now proves, sharing 99% of its genome with homo -sapiens!
I don't really know what qualifies as a "Mass-Extinction Event", but so many plant and animal species survived the impact, and the following "Nuclear-Winter", that I would hesitate to use that descriptive title!
All modern birds are direct descendants of the feathered dinosaurs - you only have to glance at an Ostrich to realize the structural similarities! And all crocodilians and Komodo Dragons are descended, without much change, from their dinosaur-ancestors as well.
Obviously, marine life suffered less than terrestrial life and many different types of fish (including Sharks and Coelacanthiformes), plus nearly all molluscs and cephalopods (the latter including Squid and Nautilus) had evolved well before the so-called "Mass Extinction Event" - and those species remain much-unchanged right through to today! And so the list of survivors grows, as our knowledge of paleontology grows.
So I don't know how anyone can still legitimately refer to that, undoubtedly terrible asteroid-impact, as a "Mass Extinction Event", it wasn't!
 

Wolfshadw

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Apr 1, 2020
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I suppose it all depends on your definition of the word "Mass". While it typically refers to a large quantity, it does not necessarily mean "most" or "majority".

-Wolf sends
 
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Jul 27, 2021
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Good point for understanding numbers as well.

The global on-Earth problems tend to be highlighted from the darkest side.
I wouldn’t diminish them, still..

Either 'global warming' or 'the sea level rise' rather than local or averaged data is declared.

'Millions of the population are threatened by sea level rise’. But not mentioned are those from areas with drastically grown near-sea populations and small islands ones.

'Average temperature rise' - would be taken from particular changes in reported zones, as it is difficult to get reliable data all over the World in a short periods and make correlations. That is why, for instance, glaciers’ example is manipulating the headlines.
Solar storms - not even much reported.

I wouldn’t diminish them, still..
 

Catastrophe

The devil is in the detail
Feb 18, 2020
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What are mass extinctions, and what causes them? - National ...
https://www.nationalgeographic.com › mass-extinction


26 Sept 2019 — Some 252 million years ago, life on Earth faced the “Great Dying”: the Permian-Triassic extinction. The cataclysm was the single worst event ...


Six (Mass) Extinctions in 440 Million Years - American ...
https://www.amnh.org › shelf-life › six-extinctions


Six (Mass) Extinctions in 440 Million Years · 252 Million Years Ago: Permian-Triassic Extinction · 201 Million Years Ago: Triassic-Jurassic Extinction · 66 Million ...


Extinction event - Wikipedia
https://en.wikipedia.org › wiki › Extinction_event


Major extinction events — Ordovician–Silurian extinction events (End Ordovician or O–S): 450–440 Ma at the Ordovician–Silurian transition. · Late Devonian ...
List of extinction events · ‎Capitanian mass extinction event · ‎Cretaceous–Paleogene


The 5 mass extinction events that shaped the history of Earth
https://www.livescience.com › mass-extinction-events-t...


17 May 2021 — Are humans to blame? · Pandemic perspective · The 5 mass extinctions · Ordovician-Silurian extinction: ~ 440 million years ago · Late Devonian ...

Cat :)
 

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