What Is the Definition of Extinction?

Answer

Extinction refers to the end of an organism or of a group of organisms, normally a species. The word may also refer to the act of making extinct or causing to be extinguished. Alternatively, it may refer to the condition or fact of being extinct or extinguished.
Q&A Related to "What Is the Definition of Extinction"
experimental extinction: a conditioning process in which the reinforcer is removed and a conditioned response becomes independent of the conditioned stimulus
http://www.kgbanswers.com/whats-the-definition-of-...
Atelopus longirostris was a member of the true toad genus commonly known as stubfoot toads. It was native to the rain forests of Columbia and Ecuador. The last specimen was sighted
http://www.ehow.com/list_6699336_animals-extinct-r...
Answer Extinction is when a animal doesn't exist any more, because all of its species has died out completely. It Can Also Be When Only A Few Animals Live But Most Are Dead Just Like
http://wiki.answers.com/Q/What+is+wildlife+extinct...
A good way to figure this out is to look at what languages are on the brink of extinction. The two go hand-and-hand and its easier (though by no means easy) to measure language extinction
http://www.quora.com/Anthropology/What-cultures-ar...
2 Additional Answers
Ask.com Answer for: what is the definition of extinction
ex·tinc·tion
[ik-stingk-shuhn]
NOUN
1.
the act of extinguishing.
2.
the fact or condition of being extinguished or extinct.
3.
suppression; abolition; annihilation: the extinction of an army.
4.
Biology the act or process of becoming extinct; a coming to an end or dying out: the extinction of a species.
5.
Psychology the reduction or loss of a conditioned response as a result of the absence or withdrawal of reinforcement.
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Source: Dictionary.com
A definition of extinction is that an animal or plant totally disappears from the planet. Dinosaurs are a prime example with the dodo bird being fairly recent. Species thought to be extinct have been re-discovered in recent years.
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