...Probably the proportionsare a reflection of crowding of the tadpoles in the pools where theyare developing or possibly due to water currents or other environmental factors...
William E. Duellman 「Neotropical Hylid Frogs, Genus Smilisca」
...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」
...Such regulators, or environmental oscillators, are the"phasing factors" of the physiologic clock that dictate the temporaloccurrence of primary reproductive activity...
Richard F. Johnston 「The Breeding Birds of Kansas」
...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」
...Table 1 shows the relationshipsbetween the environmental categories recognized by the writer inthe San Gabriel Mountains...
Terry A. Vaughan 「Mammals of the San Gabriel Mountains of California」
...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」
...Juveniles were more rapidly affected by environmental temperatures,were subject to different thresholds, and were inactive overa wider range than were the adults...
John M. Legler 「Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz」
...Indeed, the rate of chilling,rather than absolute body temperature alone, might in large measureinfluence the reactions of turtles to environmental temperatures...
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」
...Direct development probablyis an adaptation to adverse environmental conditions since many ofthe species occur in semi-arid or cold (Andean páramos) areas...
John D. Lynch 「Genera of Leptodactylid Frogs in México」
便利!手書き漢字入力検索