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Página 93
For years showed that light , not heat , is the scientists and laymen believed that external conditioning factor in their the touch was heat alone- the re- breeding cycle . When caged in winturn of warm weather .
For years showed that light , not heat , is the scientists and laymen believed that external conditioning factor in their the touch was heat alone- the re- breeding cycle . When caged in winturn of warm weather .
Página 94
When and at the end of December -- four scientists put ferrets under lights in months ahead of schedule - the fe- the autumn ... it was red control egg production , by lighting light that produced the change . chicken coops after dark .
When and at the end of December -- four scientists put ferrets under lights in months ahead of schedule - the fe- the autumn ... it was red control egg production , by lighting light that produced the change . chicken coops after dark .
Página 95
Thai tree Salamanders plants must be sensitive to this light . from work in the late afternoons I But what was it ? After many ex- would put a cardboard carton over periments the researchers found that the plant .
Thai tree Salamanders plants must be sensitive to this light . from work in the late afternoons I But what was it ? After many ex- would put a cardboard carton over periments the researchers found that the plant .
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Información bibliográfica
| Título | The Reader's Digest, Volumen76 |
| Editores | De Witt Wallace, Lila Acheson Wallace |
| Editor | Reader's Digest Association, 1960 |
| Exportar cita | BiBTeX EndNote RefMan |