The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 436
... living organisms . Discov- eries of unity of structure and functions common to all living things resulted in the development of the concept of general physiology , in which general principles and concepts applicable to all living things ...
... living organisms . Discov- eries of unity of structure and functions common to all living things resulted in the development of the concept of general physiology , in which general principles and concepts applicable to all living things ...
Page 741
... living fern family Schizaeaceae . Jurassic and Early Cretaceous megaspores are more diversified than the known heterosporous land plants that could have been their source . Some of them appear comparable to mega- spores of some living ...
... living fern family Schizaeaceae . Jurassic and Early Cretaceous megaspores are more diversified than the known heterosporous land plants that could have been their source . Some of them appear comparable to mega- spores of some living ...
Page 1026
... living lemurs , principally on zoogeographi- cal grounds , since egress from the North American conti- nent for tropical species was effectively cut off by ecologi- cal changes soon after the beginning of the Eocene ( about 54,000,000 ...
... living lemurs , principally on zoogeographi- cal grounds , since egress from the North American conti- nent for tropical species was effectively cut off by ecologi- cal changes soon after the beginning of the Eocene ( about 54,000,000 ...
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activity America animals appear areas atoms became become body called camera century changes characteristics chemical Church colour common complete compounds consists containing continued drugs early effect electrons elements energy example existence experience Family field Figure fins fishes groups human important increase individual industry Italy known later lens less light liquid living lower major material means ment methods move movement natural North object occur organic original Peking Pentecostal percent period permafrost personality pest Peter petroleum Philip philosophy photographs plants political position possible practice present printing problems production Quakers range region result rocks similar social South species structure surface temperature theory tion United usually widely