Eatth Science Chapter 9
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| The order of evolution | jawed fish, lungfish, amphibian, reptiles warm blooded mammals.
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| Mammals first appeared during the _____period of the ________. | triassic, Mesozoic Era
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| Plants began to grow on land during the ____ period of the ________ era. | Silurian, Paleozoic
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| Jawless fish first appeared during the ______ period of the _________ era | Ordovician, Paleozoic era
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| Brachiopods and Trilobities appeared during the _____ period of the _______ | Cambrian, Paleozoic era
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| The great lakes were formed during the ______ period of the ________era | Quaternary period, Cenozoic era
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| Amphibians evoled during the _______period of the __________age | Devonian, Paleozoic era
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| Sab-toothed cat were predominated during the ____ of the ________era | Quaternary, Cenozoic era
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| The first bird appeared during the ______period of the _______________era | Jurassic, Mesozoic era
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| Pangaea formed during the _____period of the ________era. | Permian, Paleozoic era
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| Flowering plants began grow on land during the ______period of the ________era | Cretaceous, Mesozoic era
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| We are currently in the _______period of the ________era | Quaternary, Cenozoic era
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| The longest division of time in the Geologic time scale_____________ | Precambrian time
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| At the end of the Paleozoic era, a mass extinction due to _____________occured | climate changed
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| At the end of the Mesozoic era a mass extinction due to ________________ | asteroids impact
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| Pangaea breaks apart during what era | Mesozoic era
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| The Cenozoic Era is known as the ____________ | Age of Mammals
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| The Mesozoic Era is also known as the ___________ | Age of Reptiles
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| The Paleozoic Era is also known as ______________ | Age of Invertebrate
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| Subdivisions of periods in the Cenozoic ____________ | epochs
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| Homo supicus first appeared how long ago | 100,000
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| Precambrian time________________ | 436 billion -544 million
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| Longest span of time no periods | Precambrian
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| Paleozoic Era | 544-245 million
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| Mesozoic Era | 2445-65 million
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