The Paleozoic Era,.............,The Cenozoic Era
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The Paleozoic Era - ScienceViews.com  The Paleozoic Era is bracketed by two major events in earth's history. It began with an unexplained explosion in animal life and ended with the world's largest mass-extinction known to man. ... Near the end of the Paleozoic era the continents began to regroup as the supercontinent ...
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The Geologic Time Scale - ScienceViews.com  For example, dinosaur fossils are only found during the Mesozoic era some 245 to ... The first period of the Cenozoic era (after the Mesozoic era and before the...
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Cenozoic Era: Facts About Climate, Animals & Plants - Live Science  Jun 8, 2016 ... The Cenozoic Era began about 65 million years ago and continues into the present. ... Paleozoic Era: Facts & Information  Cambrian Period:...
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The Cenozoic Era - University of California Museum of Paleontology  The Cenozoic Era is the most recent of the three major subdivisions of animal history. The other two are the Mesozoic and Paleozoic Eras. The Cenozoic spans...
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The Cenozoic Era, The Age of Mammals The Last 65 Million Years  The Cenozoic Era is the last and most recent era. ... mammals evolved from their somewhat insignificant stature during the Mesozoic to include giant species that...
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Mesozoic Era - Enchanted Learning
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About the geologic time scale  For the next major contribution to the geologic time scale we turn to William Smith ... The geologic history of the Earth is broken up into hierarchical chunks of time. From largest to smallest, this hierarchy includes eons, eras, periods, epochs, and ages. ... to as the Precambrian and is usually divided into the three eons shown.
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The Proterozoic Eon - University of California Museum of Paleontology  From youngest to oldest, they are: the Proterozoic, the Archean, and the ... The period of Earth's history that began 2.5 billion years ago and ended ... Also coming from this time are the first abundant fossils of living organisms, ... This specimen, from the White Sea region of Russia, is about 1.5 cm across and 2.5-3 cm long.
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Ask me a trivia question - Discussion on Topix  Sep 27, 2009 ... Repost ...______ MAMMALS ______ $800 ~ Dominant mammals of the Mesozoic Era, this animal order today includes wombats and wallabies
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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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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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Mesozoic Era - Enchanted Learning  The dinosaurs went extinct 65 million years ago. The Mesozoic Era lasted about 180 million years, and is divided into three periods, the Triassic, the Jurassic, and the Cretaceous. ... The Triassic began after a major extinction had wiped out most of the life forms on Earth.
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Hadean (4500 to 3800 million years ago)  Precambrian Eon 4.5 billion  544 million years ago ... organisms (Eukaryotes) begin to appear in abundance in rocks from this era. ..... Yet the Cretaceous saw the first appearance of many lifeforms that would go on to play .... Earliest epoch of the Tertiary period, spanning the time between 65 and 55.5 million years ago.
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GEOLOGIC EONS, ERAS and PERIODS - Paleontology and ...  GEOLOGIC EONS, ERAS and PERIODS - Dinosaur glossary explains basic paleontological ... Some periods are divided into epochs. ... Jurassic 208 to 146 mya
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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.
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The Great Ice Age | Pleistocene Epoch | Geologic Resources  Oct 29, 2006 ... The Pleistocene Epoch. A fascinating interval of geologic history occurred during the Great Ice Age, or the Pleistocene Epoch (Geologic Time)...
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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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Geologic Time Scale: Major Eons, Eras, Periods and Epochs - Video ...
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Geologic Time - Flushing Community Schools  each era of geologic time. ... grass, the yarn pieces represent insects, ... find in Paleozoic rocks than in Precambrian rocks. ... 1. The fossil record shows that species have changed over geologic time. 2 .... organisms that are not adapted to changes are less likely to sur- ...... then the percentage of mammals that survived.
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Cambrian Period 544 million  505 million  Its name means "before Cambrian. .... An era of geologic time, from the end of the Precambrian to the beginning of the ... Earth continues its mild climate as global temps stabilize. .... The word Mesozoic is from Greek meaning "middle life. ..... upper Cretaceous sediments, thus recording the demise of the dinosaurs and the...
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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.