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Iron disproportionation in peridotite fragments from the mantle transition zone. [PDF]
Nat CommunPan F +10 more
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Long-fuse evolution of carnivoran skeletal phenomes through the Cenozoic
Law C, Hlusko L, Tseng J.
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Short Courses in Paleontology, 1995
Radiolarians are marine zooplankton possessing a tough, central capsular membrane that divides the cytoplasm into intracapsular (containing the nucleus, organelles, and food reserves) and extracapsular (with food-gathering rhizopodia and digestive vacuoles) portions (Figure 1). They bear two kinds of pseudopodia, the axopodia and filopodia.
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Radiolarians are marine zooplankton possessing a tough, central capsular membrane that divides the cytoplasm into intracapsular (containing the nucleus, organelles, and food reserves) and extracapsular (with food-gathering rhizopodia and digestive vacuoles) portions (Figure 1). They bear two kinds of pseudopodia, the axopodia and filopodia.
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Science, 2001
The Eternal Frontier An Ecological History of North America and Its Peoples. Tim Flannery. Atlantic Monthly Press, New York, 2001. 420 pp. $27.50. ISBN 0-87113-789-5. In this engaging narrative covering the past 65 million years, Flannery emphasizes the underlying forces and common themes that have shaped ...
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The Eternal Frontier An Ecological History of North America and Its Peoples. Tim Flannery. Atlantic Monthly Press, New York, 2001. 420 pp. $27.50. ISBN 0-87113-789-5. In this engaging narrative covering the past 65 million years, Flannery emphasizes the underlying forces and common themes that have shaped ...
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Paleobiology, 1981
Birds have traditionally been termed the best known group of vertebrates. This cliché, however, relates to the fact that living species are well described, even to the subspecies level. Birds are well known because they are diurnal (therefore easily observed) and because of their aesthetic appeal—birds are beautiful.
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Birds have traditionally been termed the best known group of vertebrates. This cliché, however, relates to the fact that living species are well described, even to the subspecies level. Birds are well known because they are diurnal (therefore easily observed) and because of their aesthetic appeal—birds are beautiful.
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1997
Abstract For the Cenozoic era there are a number of well-documented extinction events both in the marine and terrestrial realms, a few of which qualify as mass extinctions. Our knowledge of Cenozoic environments, considerably enhanced within the last few decades by an extensive programme of deep-sea drilling, is greater than that for ...
A Hallam, P B Wignall
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Abstract For the Cenozoic era there are a number of well-documented extinction events both in the marine and terrestrial realms, a few of which qualify as mass extinctions. Our knowledge of Cenozoic environments, considerably enhanced within the last few decades by an extensive programme of deep-sea drilling, is greater than that for ...
A Hallam, P B Wignall
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1999
Abstract The hypothesis that climatic changes initiated major biotic evolutionary events carries the prediction that patterns of macroevolution should display temporally concentrated pulses correlated with climatic and environmental change (Vrba, this volume).
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Abstract The hypothesis that climatic changes initiated major biotic evolutionary events carries the prediction that patterns of macroevolution should display temporally concentrated pulses correlated with climatic and environmental change (Vrba, this volume).
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