Resultado de búsqueda
1 de jun. 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.
Hace 1 día · Notable extinct animal species include non-avian dinosaurs, saber-toothed cats, dodos, mammoths, ground sloths, thylacines, trilobites, and golden toads.
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.
21 de may. de 2024 · With nearly one million plant and animal species currently under threat, the ripple effect of the extinction of a single species can affect countless others, disrupting vital ecological...
Hace 5 días · 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.
13 de may. de 2024 · Mass extinction event, any circumstance that results in the loss of a significant portion of Earth’s living species across a wide geographic area within a relatively short period of geologic time. Mass extinction events are extremely rare.
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...
