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A process of deriving from a system of equations a new system with fewer variables, but with precisely the same solutions.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



the death of nonadapted individuals in the course of the struggle for life. Elimination may be nonselective (general) or selective.

Nonselective elimination occurs as a result of environmental factors that exceed the adaptive capabilities of a given group of individuals (that is, a particular population or species). Among such factors, the most common are natural disasters and the catastrophic effects of human intervention, such as floods, droughts, and changes in the landscape (for example, as a result of urbanization). Large-scale elimination may lead to the extinction of an entire species.

Selective elimination, or the death of part of a population, is caused by some individuals’ lower relative capacity for adaptation (as in the case of the spontaneous thinning out of a forest). Selective elimination is a major factor in evolution, since differential rates of survival result in the multiplication of the better-adapted individuals—that is, natural selection.


Shmal’gauzen, I. I. Problemy darvinizma, 2nd ed. Leningrad, 1969.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
With usually only three or four teams going into those nights of competition, but nine couple still competing, a double elimination is necessary for the number to go down to where it needs to be.
The Lady Maroons and Lady Eagles had identical 3-4 records after the eliminations but Molde and Dorog's partnership brought down Ateneo's pairing of Ponggay Gaston and Jules Samonte, 21-19, 21-19.
Indeed, I think the question of elimination from this race merits serious consideration.
Section 2.2 mentions the potential of face elimination in the corresponding directed line graph to undercut the operations count of vertex and edge eliminations.
78 was issued involved deficit elimination only; this number dropped to 23% after that date, strongly suggesting SAB no.
The fourth-seeded Lady Tamaraws ended their elimination round campaign on a three-game winning streak and finished with an 8-6 card.
Where random balloting is applicable, horses who have previously been denied a run in a banded race during the current season will be protected from elimination first, with those horses previously eliminated mostreceiving the greatest protection.
But BaliPure enjoys a big psychological edge over Creamline in their best-of-three semis series as the Water Defenders toppled the Cool Smashers their two meetings in the elimination round of the season-opening conference of the league organized by Sports Vision.
Following their elimination, Maks and Heather were set to appear on "Good Morning America" via webcam.
'We'll be depending on our elimination games against Ateneo once we face them in the Final Four,' said FEU head coach Shaq Delos Santos Thursday after the team's practice.
Morado made sure the Lady Eagles would never miss a beat come Season 79 and she proved that in their final eliminations match against La Salle when she set up 34 scoring spikes.
Last year, the Lady Stags also dominated the eliminations but eventually bowed to the Lady Blazers in the championship.