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Peter
Search results
- Dictionaryextinction/ɪkˈstɪŋ(k)ʃn/
noun
- 1. the fact or process of a species, family, or other group of animals or plants becoming extinct: "preventing the extinction of this unique frog will require the restoration of ponds and surrounding habitats"
- 2. reduction to zero in the intensity of light or other radiation as it passes through a medium, due to absorption, reflection, or scattering: "ultraviolet extinction"
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2 days ago · 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.
Sep 17, 2024 · To paint the most accurate picture of extinctions in Singapore, the researchers painstakingly assembled a comprehensive database of records, comprising more than 50,600 observations of over 3,060...
Aug 31, 2024 · Why do animals go extinct? Planet Earth teems with life and includes thousands of species of vertebrate animals (mammals, reptiles, fish, and birds); invertebrates (insects, crustaceans, and protozoans); trees, flowers, grasses, and grains; and a bewildering array of bacteria, and algae, plus single-celled organisms—some inhabiting ...
- Bob Strauss
6 days ago · Learn about the major extinction events that have occurred on Earth, from the Ordovician–Silurian to the Cretaceous–Paleogene, and their causes, effects and recovery. Compare the "Big Five" mass extinctions with the more recent sixth mass extinction and the uncertainty in the Proterozoic and earlier eons.
1 day ago · The Cretaceous–Paleogene (K–Pg) extinction event, [a] also known as the Cretaceous–Tertiary (K–T) extinction, [b] was the mass extinction of three-quarters of the plant and animal species on Earth [2] [3] approximately 66 million years ago. The event caused the extinction of all non-avian dinosaurs.
Sep 16, 2024 · Scientists have generally blamed the mass extinction on greenhouse gases released from a vast network of volcanoes which covered much of modern day Siberia in lava. But the volcanic explanation...
5 days ago · This decline indicates a high risk of extinction if the trend persists. This is a serious concern, since other antelope species, such as the roan, have gone extinct in the Mara in recent decades.
