Mass extinction: A mass extinction or extinction event is the phenomenon in which a large number of species of life on Earth become extinct in a relatively short period of time. In general usage by scientists, "mass extinction" refers to an extinction ... [100%] 2023-02-04
Mass extinction: A mass extinction is an event where a large fraction of the world's species rapidly go extinct. Several mass extinctions have occurred since life evolved on Earth, although the specific cause of some is still uncertain. [100%] 2023-06-14
Extinction: Extinction refers to the complete elimination of a given species. Extinctions may have various causes, including over-hunting, loss of habitat, climate change, competition from other species, obliteration due to local or global catastrophes, plague, gradual evolution, many other factors ... [77%] 2023-12-17 [Biology] [Paleontology]...
Extinction: In astronomy, extinction is the absorption and scattering of electromagnetic radiation by dust and gas between an emitting astronomical object and the observer. Interstellar extinction was first documented as such in 1930 by Robert Julius Trumpler. (Astronomy) [77%] 2023-11-17 [Observational astronomy] [Galactic astronomy]...
Extinction: 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. (Termination of a taxon by the death of its last member) [77%] 2024-01-09 [Extinction] [Biota by conservation status]...
Extinction: In biology and ecology, extinction is the ceasing of existence of a species or a higher taxonomic unit (taxon), such as a phylum or class. The moment of extinction is generally considered to be the death of the last individual ... [77%] 2023-02-04
Extinction: All life on earth, from single-celled microbes and simple fungus to dinosaurs and mammals, is compelled to adapt to changes in their environment, which includes efficient competition with individuals of other species, following the process of natural selection. If ... [77%] 2023-09-22
Extinction: In biology and ecology, extinction is the ceasing of existence of a species or a higher taxonomic unit (taxon), such as a phylum or class. The moment of extinction is generally considered to be the death of the last individual ... [77%] 2023-02-03
Extinction (optical mineralogy): Extinction is a term used in optical mineralogy and petrology, which describes when cross-polarized light dims, as viewed through a thin section of a mineral in a petrographic microscope. Isotropic minerals, opaque (metallic) minerals, and amorphous materials (glass) do ... (Earth) [77%] 2023-09-14 [Optical mineralogy]
Extinction (optical mineralogy): Extinction is a term used in optical mineralogy and petrology, which describes when cross-polarized light dims, as viewed through a thin section of a mineral in a petrographic microscope. Isotropic minerals, opaque (metallic) minerals, and amorphous materials (glass) do ... (Optical mineralogy) [77%] 2024-01-09 [Mineralogy concepts] [Optical mineralogy]...
Extinction (psychology): Extinction is a behavioral phenomenon observed in both operantly conditioned and classically conditioned behavior, which manifests itself by fading of non-reinforced conditioned response over time. When operant behavior that has been previously reinforced no longer produces reinforcing consequences the ... (Philosophy) [77%] 2024-01-09 [Behavioral concepts]
Extinction (psychology): Extinction in psychology refers to the lowering of the probability of a response when a characteristic reinforcing stimulus is no longer presented. In Classical conditioning, this refers to the decline of a conditioned response when a conditioned stimulus repeatedly occurs ... (Psychology) [77%] 2024-01-09 [Behavioral concepts]
Extinction (2015 film): Extinction (formerly known as Welcome to Harmony) is a 2015 post-apocalyptic horror film directed by Miguel Ángel Vivas who also co-wrote the screenplay with Alberto Marini from the novel Y pese a todo by Juan de Dios Garduño ... (2015 film) [77%] 2023-12-18 [Spanish horror films] [French horror films]...
Extinction (psychologie): Cet article est une ébauche concernant la psychologie. Vous pouvez partager vos connaissances en l’améliorant (comment ?) selon les recommandations des projets correspondants. (Psychologie) [77%] 2023-12-20
Extinction (psychologie): Cet article est une ébauche concernant la psychologie. Vous pouvez partager vos connaissances en l’améliorant (comment ?) selon les recommandations des projets correspondants. (Psychologie) [77%] 2024-03-06
Extinction (neurology): Extinction is a neurological disorder that impairs the ability to perceive multiple stimuli of the same type simultaneously. Extinction is usually caused by damage resulting in lesions on one side of the brain. (Biology) [77%] 2025-04-25 [Neurology]
Late Ordovician mass extinction: The Late Ordovician mass extinction, sometimes known as the end-Ordovician mass extinction or Ordovician-Silurian Extinction , is the first of the "big five" major mass extinction events in Earth's history. It is often considered to be the second ... (Biology) [70%] 2022-06-28 [Late Ordovician extinctions]
Cretaceous-Tertiary Mass Extinction: Evolutionary biologists and geologists generally believe that a mass extinction of dinosaurs and other organisms happened 65 million years ago, the fifth mass extinction listed in geological history, at the end of the Cretaceous Period. Its primary cause is generally ... [70%] 2023-02-25 [Geology]
Capitanian mass extinction event: The Capitanian extinction event was an extinction event that occurred around 260 million years ago during a period of decreased species richness and increased extinction rates in the late Middle Permian during the Guadalupian epoch. It is also known as ... (Earth) [70%] 2022-07-26 [Guadalupian]
End-Botomian mass extinction: The end-Botomian mass extinction event, also known as the late early Cambrian extinctions, refer to two extinction intervals that occurred during Stages 4 and 5 of the Cambrian Period, approximately 513 to 509 million years ago. Estimates for the ... (Earth) [70%] 2024-04-15 [Extinction events]
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