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  1. Extinction event - Wikipedia

    Web6 days ago · An 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 …

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    The event was formerly called the Cretaceous-Tertiary or K–T extinction or K–T boundary; it is now officially named the Cretaceous–Paleogene (or K–Pg) extinction event.
    The most recent and best-known, the Cretaceous–Paleogene extinction event, which occurred approximately 66 Ma (million years ago), was a large-scale mass extinction of animal and plant species in a geologically short period of time.
    Declines in the numbers of terrestrial and aquatic genera at times of extinction events. An 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.
    More recent research has indicated that the End-Capitanian extinction event that preceded the "Great Dying" likely constitutes a separate event from the P–T extinction; if so, it would be larger than some of the "Big Five" extinction events. Triassic–Jurassic extinction event (End Triassic): 201.3 Ma, at the Triassic – Jurassic transition.
  3. Wat waren de vijf massa-extincties en wat veroorzaakte …

    WebApr 26, 2024 · Wetenschap. Vijf keer werd de aarde getroffen door een massa-extinctie. Hoe kon dat gebeuren? Gedurende de afgelopen vijfhonderd miljoen jaar heeft het leven op aarde zich moeten herstellen …

  4. Cretaceous–Paleogene extinction event - Wikipedia

    Web1 day ago · The CretaceousPaleogene (K–Pg) extinction event, also known as the Cretaceous–Tertiary (K–T) extinction, was a sudden mass extinction of three-quarters of the plant and animal species on Earth, …

  5. Timeline of extinctions in the Holocene - Wikipedia

  6. Permian–Triassic extinction event - Wikipedia

  7. Triassic–Jurassic extinction event - Wikipedia

  8. Late Ordovician mass extinction - Wikipedia

  9. Extinction | Definition & Examples | Britannica

    WebApr 23, 2024 · Extinction is the dying out or extermination of a species, caused by environmental or evolutionary factors. Learn about the different types of extinction, the current extinction crisis, and the history of mass

  10. Paleozoic Era | Description, Climate, & Facts | Britannica

    WebMay 3, 2024 · Paleozoic Era, major interval of geologic time that began 538.8 million years ago with the Cambrian explosion, an extraordinary diversification of marine animals, and ended about 252 million years ago …