An extinction event is a widespread and rapid decrease in the biodiversity on Earth. Such an event is identified by a sharp fall in the diversity and ...
Autres questions
Are we entering an extinction event?
What were the five extinction events?
How likely is an extinction event?
When was Earth's last extinction event?
Extinction massive
Une extinction massive ou grande extinction, appelée aussi crise biologique ou crise écologique, est un événement relativement bref à l’échelle des temps géologiques au cours duquel au moins 50 % des genres et 10 % des ... Wikipédia
The largest mass extinction event in Earth's history affected a range of species, including many vertebrates. Triassic-jurassic Extinction: 210 million ...
19 mai 2021 · A mass extinction event is when species vanish much faster than they are replaced. This is usually defined as about 75% of the world's species ...