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  1. 5 de feb. de 2019 · REFERENCE. Extinct species, explained. Extinctions happen when a species dies out from cataclysmic events, evolutionary problems, or human interference. February 05, 2019. • 4 min read....

  2. 23 de abr. de 2024 · Extinction, in biology, is the dying out or extermination of a species. It occurs when species are diminished because of environmental forces (natural or human-made) or because of evolutionary changes in their members. Learn more about mass extinctions and modern extinctions.

  3. www.nationalgeographic.org › encyclopedia › extinctionExtinction

    19 de oct. de 2023 · Extinction is the dying out of a species. It plays an important role in the evolution of life because it opens up opportunities for new species to emerge. Learn about the causes, effects, and examples of mass and mass-like extinctions in the history of life on Earth.

  4. The IUCN Red List Categories and Criteria are intended to be an easily and widely understood system for classifying species at high risk of global extinction. It divides species into nine categories: Not Evaluated, Data Deficient, Least Concern, Near Threatened, Vulnerable, Endangered, Critically Endangered, Extinct in the Wild and Extinct.

  5. www.nationalgeographic.org › topics › resource-library-extinctionExtinction

    Extinction. Extinction is the complete disappearance of a species from Earth. Species go extinct every year, but historically the average rate of extinction has been very slow with a few exceptions. The fossil record reveals five uniquely large mass extinction events during which significant events such as asteroid strikes and volcanic ...

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