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Bookmark or Share- List of extinction events - WikipediaThis is a list of extinction events, both mass and minor: [1] "Big Five" major extinction events (see graphic) Marine extinction intensity during Phanerozoic
- There have been five mass extinctions in Earth's historyThere have been five big mass extinctions in Earth's history – these are called the "Big Five". Understanding the reasons and timelines of these events is important to understand the speed and scale of species extinctions today.
- Extinction event - WikipediaAn extinction event (also known as a mass extinction or biotic crisis) is a widespread and rapid decrease in the biodiversity on Earth. Such an event is identified by a sharp fall in the diversity and abundance of multicellular organisms.
- What is a mass extinction and are we facing a sixth? Experts weigh in - CNNAt least five times, a biological catastrophe has engulfed Earth killing off the vast majority of species. As scientists say we’re in a sixth mass extinction, what can we learn from the past?
- Mass extinction facts and information from National GeographicAt least a handful of times in the last 500 million years, 75 to more than 90 percent of all species on Earth have disappeared in a geological blink of an eye in catastrophes we call mass...
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