Geologic Time Scale
Quiz by Blanche Bruce
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10 questions
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- Q1Paleozoic, Mesozoic, and Cenozoic are examples of _____epochserasperiodseons30s
- Q2The earth is approximately __________ years old.4,6004.6 billion46,0004.6 million30s
- Q3Which era is considered the age of marine life?PrecambrianPaleozoicMesozoicCenozoic30s
- Q4Precambrian time is considered the ________________ time in earth's history.earliestshortestmost recentleast important30s
- Q5During the _________ era, reptiles dominated the earth.precambrianmesozoiccenozoicpaleozoic30s
- Q6Which of the following units of time is the SMALLEST?eraepochperiodeon45s
- Q7Trilobites and other early invertebrates, along with ferns and mosses were found in the ______ era.MesozoicPaleozoicPrecambrianCenozoic45s
- Q8We are currently in the ______ era.mesozoicpaleozoiccenozoicprecambrian45s
- Q9During the Paleozoic era ___________________________ was formed.PangaeaAppalachian MountainsGreat Rift ValleyGrand Canyon45s
- Q10The mass extinction that wiped out the dinosaurs occurred at the end of the _________ era.CenozoicPaleozoicMesozoicPrecambrian45s