...It is likely thatthe restricted environmental spectrum is much more important inthis regard than is the fact of semi-isolation... 
Robert K Selander 「Vertebrates from the Barrier Island of Tamaulipas, México」
...sennetti; the resemblanceof the two insular populations would thus be a matter ofconvergence in response to like environmental conditions...
Robert K Selander 「Vertebrates from the Barrier Island of Tamaulipas, México」
...Two of them, the Río Grande Barrier and the Sierra MadreBarrier, are physiographical, but the Tropical Barrier is maintained bya combination of environmental factors...
Ticul Alvarez 「The Recent Mammals of Tamaulipas, Mexico」
...Althoughgonadal response and seasonal restriction of breeding are set bythe photoperiod, specific temporal relationships are dictated by moreimmediate environmental variables...
Richard F. Johnston 「The Breeding Birds of Kansas」
...It is not hereby meant to ignore the fact thatdifferential responses to dominant environmental variables occurwithin a species, indicating endogenous control over timing ofbreeding...
Richard F. Johnston 「The Breeding Birds of Kansas」
...Let us assume that each of the environmental variables isa nonlinear oscillator, as is probable...
Richard F. Johnston 「The Breeding Birds of Kansas」
...In the lowlands,musculus may be better adapted to environmental conditions and,therefore, more successful in competition with taylori for availablehabitat...
Robert L. Packard 「Speciation and Evolution of the Pygmy Mice, Genus Baiomys」
...Once begun, growth is moreor less continuous as long as environmental conditions permit foraging...
John M. Legler 「Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz」
...The environmental factors governing activity of terrestrial turtlesseem to differ at least in respect to threshold, from the factors influencingthe activity of aquatic turtles...
John M. Legler 「Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz」
...As environmental temperatures rise in summer, the period ofmid-day quiescence is lengthened...
John M. Legler 「Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz」
...Man's civilizationin the Great Plains, chiefly his automobile and other machines,have compounded the total of environmental hazards...
John M. Legler 「Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz」
...The color pattern changes in the course of development, and theshade of color changes in response to environmental conditions...
Henry S. Fitch 「Field Study of Kansas Ant-Eating Frog」
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