Science: v.1-v.219Moses King, 1967 |
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Page 1373
... species are composed of the mineral lepidocrocite and an apatite mineral , probably francolite , in addition to magnetite . Each of the three minerals forms a discrete microarchitectural unit of the chiton denticles . This is the first ...
... species are composed of the mineral lepidocrocite and an apatite mineral , probably francolite , in addition to magnetite . Each of the three minerals forms a discrete microarchitectural unit of the chiton denticles . This is the first ...
Page 1479
... species that we shall discuss , ap- pear to have overlapped considerably if our criteria for identifying isolated teeth are sound . Mammuthus columbi had coarser teeth , with fewer plates , that can be taken to indicate browsing on ...
... species that we shall discuss , ap- pear to have overlapped considerably if our criteria for identifying isolated teeth are sound . Mammuthus columbi had coarser teeth , with fewer plates , that can be taken to indicate browsing on ...
Page 1497
... species there . Spe- cies that were not represented in the upper waters at the time did not con- tribute to the sediment catch on the bottom . They do not seem to repro- duce at a rate comparable to the oth- er species , and their ...
... species there . Spe- cies that were not represented in the upper waters at the time did not con- tribute to the sediment catch on the bottom . They do not seem to repro- duce at a rate comparable to the oth- er species , and their ...
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acid activity alcohol dehydrogenase American analysis animals antheridia atomic auxin behavior Biochem Biol biological cancer carbon carbon dioxide cells Center Chem chemical Chemistry concentration cores culture cycloheximide denticles EDTA effect electron energy engineering enzyme experimental experiments factor faunal females ferrichrome Foraminifera fraction galactose growth ibid Illus increase incubation indicated inhibition instrument ions isotope laboratory lepidocrocite leucine light magnetic male marker cards material measured Medical ment molecules neutron nuclear observed optical oxygen papers particles percent Physiol plant polarity present problems production protein Q-sort R. A. Fisher range rats References and Notes relative reported response s-process sample Science scientific sedimentation serum sodium species spermatophore strophanthidin structure sulfate surface synthesis Table temperature tion ture Univ University uridine kinase values York zodiacal light