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Field of bullets

From Wikipedia, the free encyclopedia
Hypothetical model of extinction

Thefield of bullets hypothesis describes a model in whichextinction is non-selective and occursrandomly.[1] The metaphor of the field of bullets suggest thatspecies are simply out in a field and "bullets" are hitting them at random, thus their extinction is due only tostochastic effects. The field of bullets operates without relation to the organisms'adaptability, or fitness of specific animals. Under this hypothesis all species are subjugated to the sameprobability of extinction no matter where they originate in theirtaxonomy, and irrespective oftraits that typically buffer against extinction.

References

[edit]
  1. ^Raup, David M. (1991)Extinction: Bad Genes or Bad Luck. Norton.ISBN 0-393-03008-3
Phenomena
The species Bufo periglenes (Golden Toad) was last reported in 1989
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