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Geology --- Geology, Stratigraphic --- Eocene Geologic Epoch. --- Geology. --- Geology, Stratigraphic. --- From 40 to 55 million years ago --- Raging River Formation (Wash.) --- Washington (State)

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Foraminifera, Fossil --- -Foraminifera, Fossil --- -Geology, Stratigraphic --- -Tethys (Paleogeography) --- Paleoceanography --- Age of rocks --- Rocks --- Stratigraphic geology --- Physical geology --- Protozoa, Fossil --- Age --- Geology, Stratigraphic --- Tethys (Paleogeography) --- Paleocene Epoch --- Eocene Epoch --- Cretaceous Period

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Like the bird whose death signaled dangerous conditions in a mine, the demise of animals that once flourished should give humans pause. How is our fate linked to the earth's creatures, and the cycle of flourishing and extinction? Which are the simple workings of nature's order, and which are omens of ecological disaster? Does human activity accelerate extinction? What really causes it? In an illuminating and elegantly written account of the widespread reduction of the world's wildlife, renowned paleontologist Niles Eldredge poses these questions and examines humankind's role in the larger life cycles of the earth, composing a provocative general theory of extinction.

Biodiversity. --- Ecology. --- Extinction (Biology) --- Adansonia. --- Aesthetics. --- Algae. --- American Museum of Natural History. --- American School of Classical Studies at Athens. --- Amherst College. --- Arthropod. --- Awareness. --- Bacteria. --- Basset Hound. --- Biodiversity. --- Biologist. --- Broad-billed roller. --- Brown University. --- Carnivore. --- Cenozoic. --- Comoro Islands. --- Cretaceous. --- Darwinism. --- East Africa. --- Ecological crisis. --- Ecology. --- Ecosystem. --- Endemism. --- Eocene. --- Evolution. --- Extinction event. --- Extinction. --- Flora. --- Forest floor. --- Fossil collecting. --- Future Evolution. --- Genetic diversity. --- Geologist. --- Geology. --- Giant coua. --- Global temperature. --- Guineafowl. --- Herbivore. --- Holocene extinction. --- Hominidae. --- Homo sapiens. --- Human evolution. --- Human eye. --- Ian Tattersall. --- Imagery. --- In Specie. --- Jellyfish. --- Jurassic. --- Lemur. --- Living systems. --- Longevity. --- Mammal. --- Mesite. --- Mesozoic. --- Miocene. --- Multicellular organism. --- Northern Hemisphere. --- Oligocene. --- Ordovician. --- Organism. --- Outcrop. --- Overexploitation. --- Paleocene. --- Paleontology. --- Paleozoic. --- Permian. --- Pheasant. --- Plant. --- Pleistocene. --- Quaternary extinction event. --- Quinine. --- Rainforest. --- Reason. --- Result. --- River mouth. --- Rock (geology). --- Rocky shore. --- Sediment. --- Sedimentary rock. --- Serengeti. --- Silurian. --- Speciation. --- State of the Environment. --- Stratum. --- Tanzania. --- Tenrec. --- Terrestrial animal. --- Trilobite. --- Tropical rainforest. --- Unicellular organism. --- University of London. --- University of Minnesota. --- University of Virginia. --- Vegetation. --- Vertebrate paleontology. --- Vertebrate. --- Wetland. --- Yale University. --- Year.