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The era that is defined by both a huge explosion in the diversity of life as well as the largest mass extinction is _____.
Weegy: The Paleozoic Era User: The longest interval of time is called _____. Weegy: The longest interval of time is called an eon. User: Why do some people argue that the Cenozoic era should not be called the "Age of Mammals"? User: Why do some people argue that the Cenozoic era should not be called the "Age of Mammals"? User: Which of the following events define the Proterozoic eon? Weegy: The Phanerozoic Eon is the current eon. User: Match each eon or era with the appropriate characteristic or event. 1. Hadean eon sometimes called "Age of Mammals" 2. Archean eon largest mass extinction in Earth's history 3. Proterozoic eon current eon 4. Phanerozoic eon time of the dinosaurs 5. Paleozoic era formation of the solar system 6. Mesozoic era buildup of oxygen; first eukaryotes 7. Cenozoic era toxic atmosphere; first bacteria Weegy: 1. Hadean eon: C. formation of the solar system 2. Archean eon: A. toxic atmosphere; first bacteria 3. Proterozoic eon: B. buildup of oxygen; first eukaryotes4. Phanerozoic eon: G. current eon 5. Paleozoic era: F. [ largest mass extinction in Earth's history 6. Mesozoic era: E. time of the dinosaurs 7. Cenozoic era: D. sometimes called "Age of Mammals" ] User: The geologic time scale is divided by major changes in the fossil record Weegy: Sir/Madam, The answer is "True" User: You wake up and find yourself surrounded by ferns, trees, flying birds, and different types of dinosaurs. Which era did you wake up in? Weegy: The answer is Mesozoic (More)
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Asked 3/1/2012 11:48:10 AM
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