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Article by Vaclav Petr discussing the possible causes of extinctions.
A number of extinction concepts are discussed and loosely defined, followed by a survey of some important extinction and "extinction-like" events, primarily from the Phanerozoic.
Covers patterns and periodicity of extinction, with discussions of major mass extinctions and minor extinction events.
A professional technical paper discussing whether the Late Devonian (Frasnian-Famennian) mass extinction was initiated by an extraterrestrial impact or an earth-bound event. [PDF]
A mathematical model for mass extinction.
Article on a paper by David Raup and John Sepkoski, two respected paleontologists, making the remarkable claim that great catastrophes occur on the Earth every 26 million years,
For other uses, see Extinction (disambiguation) ... In biology and ecology, extinction is the end of an organism or group of taxa. ...
extinction n. The act of extinguishing. The condition of being extinguished. ... For more information on extinction (of species), visit Britannica.com. ...
A number of extinction concepts are discussed and loosely defined, followed by a ... But, in fact, extinction is a rather complex phenomenon. ...
Jay Williams1 tells about an old woman who was living out the last days of her life. ... The rate of extinction picked up rapidly when the climate became milder and ...
Extinction in psychology refers to the lowering of the probability of a response ... 4 Extinction-induced variability. 5 References. 6 See also ...
In biology and ecology, extinction is the ceasing of existence of a species or a ... The Permian-Triassic extinction alone killed off about 90 percent of marine ...
Examines the theory that we are currently living in an era of mass extinction. Offers links to numerous articles and reports addressing the issue.
Extinction of animals and plants. Read scientific research on the dinosaur ... Cretaceous-Tertiary extinction event ... Extinction. Fish. Frogs and Reptiles ...
... that threatens to rival the five great mass extinctions of the geological past. ... At first glance, the physically caused extinction events of the past might seem ...
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