The New Encyclopædia Britannica in 30 Volumes: Macropædia : Knowledge in Depth. - 19 Bd, Volumes 1-19Encyclopædia Britannica, 1974 |
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Page 69
... biological their urge to breed . A time sense may serve , in conjuncIt can be used by members of a species to synchronize periodicity fluctuations in response to them . In contrast , are periodic tion with the sun , moon , and stars ...
... biological their urge to breed . A time sense may serve , in conjuncIt can be used by members of a species to synchronize periodicity fluctuations in response to them . In contrast , are periodic tion with the sun , moon , and stars ...
Page 71
... biologically significant one for the ruffed grouse . Still other biological periodicities dehuman species is further suggested by the fact that the scribed from tree rings , shell deposition in mollusks , fossil average duration of ...
... biologically significant one for the ruffed grouse . Still other biological periodicities dehuman species is further suggested by the fact that the scribed from tree rings , shell deposition in mollusks , fossil average duration of ...
Page 75
... biological rhythmicity participated between those of calcium and barium ; and some years in by the leading investigators of the subject . F.A. BROWN , JR . , later he showed that other such “ triads ” exist ( chlorine , Biological ...
... biological rhythmicity participated between those of calcium and barium ; and some years in by the leading investigators of the subject . F.A. BROWN , JR . , later he showed that other such “ triads ” exist ( chlorine , Biological ...
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activity America animals appear areas atoms became become body called camera century changes chemical Church colour common complete compounds consists containing continued drugs early effect electrons elements energy example existence experience Family field Figure fins fishes human important increase individual industry islands Italy known later less light liquid living lower major material means ment methods movement natural North occur organic original Peking Pentecostal percent period Persian personality pest Peter petroleum phase Philip philosophy photographs plant political position possible practice present pressure printing problems production Quakers range region remains result rocks similar social South species structure surface temperature theory tion United University usually widely