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Raamatud Books 21 - 30 of 33 on Every species has come into existence coincident both in time and space with a preexisting....
" Every species has come into existence coincident both in time and space with a preexisting closely allied species," Connects together and renders intelligible a vast number of independent and hitherto unexplained facts. "
Contributions to the Theory of Natural Selection: A Series of Essays - Page 25
by Alfred Russel Wallace - 1870 - 384 lehte
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Toward a New Philosophy of Biology: Observations of an Evolutionist

Ernst Mayr - 1988 - 564 lehte
...was not understood as clearly as it is now. This is well reflected in Wallace's statement in 1855: "Every species has come into existence coincident...space with a pre-existing closely allied species," and more specifically "the most closely allied species are found in the same locality or in closely...
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The Causes of Evolution

John Burdon Haldane - 1990 - 222 lehte
...they were able to verify the law of succession, first explicitly given by Darwin's colleague Wallace. "Every species has come into existence coincident,...space, with a pre-existing closely allied species." This would clearly be true on any theory of evolution, and probably false on a theory of numerous successive...
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Science as Writing

David Millard Locke - 1992 - 237 lehte
...the evolutionary mechanism, Alfred Rüssel Wallace enunciated his famous Sarawak Law, which states, "Every species has come into existence coincident...space with a pre-existing closely allied species." 1 * What remained to be done —and what Wallace and Darwin did — was to erase the dividing line...
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Charles Darwin's Letters: A Selection, 1825-1859

Charles Darwin - 1998 - 249 lehte
...introduction of new species. Annals and Magazine of Natural History 2d ser. 16 (1855): 184-96. The law: 'Every species has come into existence coincident...space with a pre-existing closely allied species.' 1858 CD had sent Hooker his manuscript on variation in large and small genera. It is printed, with...
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Darwinism Defeated?: The Johnson-Lamoureux Debate on Biological Origins

Phillip E. Johnson, Denis Lamoureux - 1999 - 174 lehte
...occur. From the facts of geographical distribution Wallace concludes his paper with the famous statement that "Every species has come into existence coincident...space with a pre-existing closely allied species." And he asks: "In the face of these facts the question forces itself upon every thinking mind — why...
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Paleobiogeography

Bruce S. Lieberman - 2000 - 208 lehte
...space and time, and molded them into a superb theory of evolution. First, he claimed that there was a law that "every species has come into existence coincident...and space with a preexisting closely allied species" (Wallace, 1855, quoted from Brooks, 1984. p. 172). Further, he felt that this ..,connects together...
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Natural Laws in Scientific Practice

Marc Lange - 2000 - 368 lehte
...subgroups) Dollo's law (reversion to an ancestral peculiarity virtually never happens) Wallace's law (every species has come into existence coincident...and space with a preexisting closely allied species) Genetics Mendel's laws the Hardy-Weinberg law (if there are exactly two alleles (A and S) at a given...
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The Borderlands of Science: Where Sense Meets Nonsense

Michael Shermer - 2001 - 368 lehte
...Species." Using a series of arguments based on geographical and geological evidence, Wallace concluded: "Every species has come into existence coincident...time and space with a pre-existing closely allied species."18 The paper appeared in The Annals and Magazine of Natural History in September 1855, and...
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Literature of Travel and Exploration: R to Z, index

Jennifer Speake - 2003 - 1479 lehte
...structural affinity to one another over succeeding epochs of time, led him to publish a paper that argued that "every species has come into existence coincident...and space with a preexisting closely allied species" (Natural Selection and Tropical Nature). The paper proposed an approach to the species question, though...
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An Elusive Victorian: The Evolution of Alfred Russel Wallace

Martin Fichman - 2010 - 416 lehte
...theory, not its development" (Marchant [1916] 1975, 54), Wallace dealt only with certain applications of the law that "every species has come into existence coincident both in space and time with a pre-existing closely allied species." The observed affinities among animals (and...
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