...The selective effect of predation on prey populationsis of significance in studies of evolutionand population dynamics... 
L. David Mech 「Ecological Studies of the Timber Wolf in Northeastern Minnesota」
...One of the predators most commonly chosenfor investigating the selective effect upon prey isthe wolf (Canis lupus)...
L. David Mech 「Ecological Studies of the Timber Wolf in Northeastern Minnesota」
...Thus there is no reason for selective hunting, andwe feel confident that the age structure of thehunter-kill in our study area does basicallyrepresent that of the deer herd at large...
L. David Mech 「Ecological Studies of the Timber Wolf in Northeastern Minnesota」
...Third, there is no reasonto believe that in our area rifle hunting isespecially selective for any particular age classes...
L. David Mech 「Ecological Studies of the Timber Wolf in Northeastern Minnesota」
...It is difficult to test these possibilities because the selective value ofthe taxonomic characters is unknown...
Sydney Anderson 「Subspeciation in the Meadow Mouse, Microtus montanus, in Wyoming and Colorado」
...handleyi may have resultedfrom nearly parallel selective forces that gave rise to two subspecies,widely separated geographically...
Robert L. Packard 「Speciation and Evolution of the Pygmy Mice, Genus Baiomys」
...Because of different genotypes the potential of the temporal region torespond to selective demands varied from group to group...
Richard C. Fox 「The Adductor Muscles of the Jaw In Some Primitive Reptiles」
...In view, moreover, of the selective nature of Japanese imitation, we are further warranted in ascribing to the people no insignificant development of the imagination...
Sidney L. Gulick 「Evolution Of The Japanese, Social And Psychic」
...The development of the individual that results from such cell-unionis no mere mixture or addition, but a process of selective organization...
Robert Marett 「Anthropology」
...the ability, at will, to endow the higher,more selective metals with intelligence ...
Various 「Astounding Stories of Super-Science, August 1930」
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