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Normalmente, una especie se extingue dentro de los primeros diez millones de años posteriores a su primera aparición, 1 aunque algunas especies, denominadas fósiles vivientes, sobreviven prácticamente sin cambios durante cientos de millones de años. La extinción es histórica y usualmente un fenómeno natural.
Hace 5 días · Extinction is the dying out or extermination of a species due to environmental or evolutionary factors. Learn about the different types of extinction, the causes of human-induced extinction, and the current mass extinction event from Britannica's experts.
19 de oct. de 2023 · Extinction is the dying out of a species. Extinction plays an important role in the evolution of life because it opens up opportunities for new species to emerge.
5 de feb. de 2019 · Extinction happens when environmental factors or evolutionary problems cause a species to die out. The disappearance of species from Earth is ongoing, and rates have varied over time.
¿Qué causó la extinción de los dinosaurios hace 65 millones de años? Descubre las cinco principales extinciones masivas que han afectado a la biodiversidad de nuestro planeta y las posibles explicaciones científicas.
26 de sept. de 2019 · Learn about the five major mass extinctions in Earth's history, from the Ordovician-Silurian to the Permian-Triassic, and how they were triggered by volcanism, glaciation, asteroids and other events. Find out how these catastrophes shaped the evolution of life on Earth and what lessons they offer for today.
29 de may. de 2019 · Learn about the different categories and concepts of extinction, from critically endangered to extinct in the wild, and how humans have accelerated species loss. See photos and stories of animals facing extinction or rediscovery.
