This geologic "era" is sometimes called the age of mammals
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Cenozoic Era: Facts About Climate, Animals & Plants - Live Science  Jun 8, 2016 ... The Cenozoic Era is also known as the Age of Mammals because the extinction of many groups of giant mammals, allowing smaller species to...
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Geological time scale - HyperPhysics  The vast expanse of geological time has been separated into eras, periods, and epochs. .... It is sometimes referred to as the "age of mammals". Lutgens...
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geo105ice9 Flashcards | Quizlet  this geologic era means 'recent life' and the era is sometimes called the age of mammals. it has lasted about 65 million years. early in this era the first grasses...
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Cenozoic - Wikipedia  The Cenozoic Era (pronunciation: /sinzok, s-/; also Cnozoic, Caenozoic or Cainozoic pronunciation: /kanzok, ke-/; meaning "new life", from Greek  kainos "new", and  zoe "life") is the current and most recent of the three Phanerozoic geological eras, following the Mesozoic Era ... The Cenozoic is also known as the Age of Mammals and the Age of Birds,...
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The Cenozoic Era - University of California Museum of Paleontology  The other two are the Mesozoic and Paleozoic Eras. The Cenozoic spans only about 65 million years, from the end of the Cretaceous Period and the extinction of non-avian dinosaurs to the present. The Cenozoic is sometimes called the Age of Mammals, because the largest land animals have been mammals during that time.
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DinoDatabase.com :: The Age of Dinosaurs | The Mesozoic Era  The Age of Dinosaurs is the Mesozoic Era, which is divided into three periods: the Triassic (245-208 million years ago), Jurassic (208-145 million years ago), and Cretaceous (145-66 million years ago). ... After existing for 163 million years, the dinosaurs disappeared at the ...
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The Pliocene Epoch - University of California Museum of Paleontology  The Pliocene, 5.3 to 2.6 million years ago,* was a time of global cooling after the ... North and South America appeared during the Pliocene, allowing migrations of ... and an invasion of dogs, cats, bears and horses in the opposite direction.
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Mesozoic Era: Age of the Dinosaurs - Live Science  Jan 7, 2015 ... The Mesozoic Era saw the rise of iconic dinosaurs and lizards and ... diversity of animals, from massive lizards to monstrous dinosaurs. ... in birds and mammals, and the Cretaceous Period, from 145 million ... Earth during the Mesozoic Era was much warmer than today, and the planet had no polar ice caps.
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Geologic Time Scale Flashcards | Quizlet  252 to 66 Ma; Age of Reptiles; means "middle life"; subdivided into the Triassic, .... Ichthyosaurs went extinct whereas sauropods, as a whole, did not die out in the ... Dinosaurs still thrived as new species such as Tyrannosaurus, Ankylosaurus,...
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About the geologic time scale  Horizontal rock layers are beautifully exhibited at the Painted Hills Unit of ... For the next major contribution to the geologic time scale we turn to William ... From largest to smallest, this hierarchy includes eons, eras, periods, epochs, and ages. ... each era being recognized by its domination by a particular group of animals.
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History of Geologic Time Scale  The history of the earth is broken up into a hierarchical set of divisions for describing geologic time. As increasingly smaller units of time, the generally accepted divisions are eon, era, period, epoch, age. In the time scale shown at left, only the two highest levels of this hierarchy are represented.
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Pleistocene Epoch: Facts About the Last Ice Age - Live Science  Oct 9, 2013 ... The Pleistocene Epoch began about 1.8 million years ago and lasted until about 11700 years ago. The most recent Ice Age occurred then, as glaciers covered huge ... 4.6 billion years since the Earth was formed  and most likely many ... and by the end of the epoch humans could be found in nearly every...
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The Mesozoic Era - University of California Museum of Paleontology  The Mesozoic Era is divided into three time periods: the Triassic (251-199.6 ... By the middle of the Cretaceous, the earliest angiosperms had appeared and...
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GEOLOGIC EONS, ERAS and PERIODS - Paleontology and ...  Two or more periods comprise a geological Era. Two or more Eras form an Eon, the largest division of geologic time. Some periods are divided into epochs.
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Geologic Time Scale: Major Eons, Eras, Periods and Epochs - Video ...  The geologic time scale is an essential tool for understanding the history of Earth and the evolution of life. ... The Cenozoic Era: Definition, Time Period & Facts.
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Holocene - Wikipedia  The Holocene is the geological epoch that began after the Pleistocene at approximately 9,700 .... This period of warmth ended about 5,500 years ago with the descent into the Neoglacial. At that time ... This was followed by the Little Ice Age, from the 13th or 14th century to the mid-19th century, which was a period of cooling.
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The geologic time scale shows Earth's past. - Tecumseh Local Schools  are growing, dying, and decaying as new organ- isms are .... Earth's history in a chart called the geologic time scale. The ... figure out what happened over the 4.6 billion years of Earth's history. The oldest .... Tertiary period. During the Mesozoic era, dinosaurs lived along with ... the Mesozoic, whose name means middle life.
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[SHUBIN:] Our planet is teeming with many kinds of animal life ...  that buried in the crust of the earth were animals that connected one major group to another. Such ... Over the decades, it's become a standard talking point for those who ... They also all have a backbonethey're vertebrates. The ... too, I mean, no paleontologist had worked on that, expressly looking for early tetrapods.
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The Earth's Geologic Time Scale Eons Eras Periods Epoch Life  Earth Earth's Geologic Geological Time Scale Line Eon Era Period Epoch ... Eons are divided into eras, which are in turn divided into periods, epochs and ages. ... to refer to the layers of rock that correspond to these periods of geologic time.
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Mesozoic - Wikipedia  The Mesozoic Era is an interval of geological time from about 252 to 66 million years ago. ... It is one of three geologic eras of the Phanerozoic Eon, preceded by the ... The era is subdivided into three major periods: the Triassic, Jurassic, and ..... Animal life was then dominated by various archosaurian reptiles: dinosaurs,...
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Chapter 9  A View of Earth's Past - Henry County Schools  E.Q.: What are the major geologic and biologic developments during the ... The Mesozoic Era is known as the Age of Reptiles and is divided into three ... Two major groups of dinosaurs evolved during the Jurassic Period: the saurischians, or lizard-hipped dinosaurs, and the ornithischians, or bird-hipped dinosaurs.