The New Encyclopędia BritannicaEncyclopędia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 127
... known biota . " Gnotobiol- ogy comprises the study of germfree plants and animals , as well as living things in which specific micro - organisms , added by experimental methods , are known to be pres- ent . When one or more known ...
... known biota . " Gnotobiol- ogy comprises the study of germfree plants and animals , as well as living things in which specific micro - organisms , added by experimental methods , are known to be pres- ent . When one or more known ...
Page 448
... known being the whooping crane . The Red Data Book lists seven rails as in danger and fifteen more that have become extinct since about 1600. Many of the ex- tinct rails lived on small islands and a number had be- come flightless ...
... known being the whooping crane . The Red Data Book lists seven rails as in danger and fifteen more that have become extinct since about 1600. Many of the ex- tinct rails lived on small islands and a number had be- come flightless ...
Page 560
... Known anti- cholinesterase drugs may have undetected hallucinogenic properties . Thus the substance physostigmine ( also known as eserine ) , which is found in Calabar beans , does not have a hallucinogenic effect , but this may be due ...
... Known anti- cholinesterase drugs may have undetected hallucinogenic properties . Thus the substance physostigmine ( also known as eserine ) , which is found in Calabar beans , does not have a hallucinogenic effect , but this may be due ...
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animals appear authority became become called central central Europe century changes church cities common complete contain continued cultural early East economic effect elected empire English especially established Europe Federal figures force France French German glacier glass gold golf grammar Greece Greek important increased industry influence interest Italy king known Lake land language later leading less living major mass material means measure ment Michigan natural occur Open origin Party percent period Persian played Pleistocene political population position present princes produced Proto-Indo-European range regions remained Republic result River rock Roman social sources structure success surface territorial tion trade traditional United West western