The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 5
... elements are arranged as in stems . Stomates ( “ breathing holes ” ) occur in the epidermis of the hypocotyl but are fewer than on leaves . The growing tip of a conifer stem differs from that of its root in lacking a protective cap ...
... elements are arranged as in stems . Stomates ( “ breathing holes ” ) occur in the epidermis of the hypocotyl but are fewer than on leaves . The growing tip of a conifer stem differs from that of its root in lacking a protective cap ...
Page 24
... element compound element Figure 1 : Simple and compound elements and conodont nomenclature . There are also differences in outer shape between conodonts and scolecodonts . The denticles ( small spinelike teeth ) that rise from the base ...
... element compound element Figure 1 : Simple and compound elements and conodont nomenclature . There are also differences in outer shape between conodonts and scolecodonts . The denticles ( small spinelike teeth ) that rise from the base ...
Page 25
... elements . Until 1934 it was the general belief , expressed in classification , that a conodont - carrying animal had only one kind of element . The discovery of natural assemblages on shale surfaces of Pennsylvanian ( Upper ...
... elements . Until 1934 it was the general belief , expressed in classification , that a conodont - carrying animal had only one kind of element . The discovery of natural assemblages on shale surfaces of Pennsylvanian ( Upper ...
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activity American animals appear areas authority become body called cause cells central century charge common complex conservation consists constant constitution consumer contain continental continued copper cosmic rays countries court crime criminal Crusade direct early effect electron elements energy England established Europe evidence example exist fact field force ground groups House important increase individual industrial involved Italy known land later less letters limited living major material means measure ment metal natural occur organic original particles particular party percent period person play political population position present problems protection reefs region remains result rule social South species structure theory tion United usually various