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Hace 6 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.
Hace 2 días · Extinction is the termination of a taxon by the death of its last member. A taxon may become functionally extinct before the death of its last member if it loses the capacity to reproduce and recover. Because a species' potential range may be very large, determining this moment is difficult, and is usually done retrospectively.
12 de may. de 2024 · Biodiversity loss, the reduction in an area’s biodiversity (the number of genes, species, individual organisms, or ecosystems) expressed by species loss, population declines and reductions in the genetic diversity within a species, and the collapse of biological communities.
Hace 4 días · 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.
29 de may. de 2024 · K–T extinction, a global extinction event responsible for eliminating approximately 80 percent of all animal species about 66 million years ago. It was characterized by the purging of many lines of animals that were important, including nearly all of the dinosaurs and many marine invertebrates.
21 de may. de 2024 · Accelerating extinction rate triggers domino effect of biodiversity loss. While nearly one million species are currently at risk of extinction, the United Nations University (UNU) is drawing ...
25 de may. de 2024 · Find out the latest news and stories about extinction, the loss of species and biodiversity. Learn about the causes, impacts and solutions for protecting the natural world from human activities.
