 | Marc Lange - 2000 - 365 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... | |
 | 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... | |
 | William Bryant - 2003 - 0 lehte
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 | Jennifer Speake - 2003 - 566 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... | |
 | Martin Fichman - 2010 - 393 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... | |
 | Stanley Martin - 2006 - 678 lehte
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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. 
