Geologic Time and the Fossil Record
Quiz by Errol Rose
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10 questions
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- Q1Of the four geologic time periods, shown below, which of them represented 90 percent of geologic time? Paleozoic, Precambrian, Mesozoic, or CenozoicPrecambrianCenozoicPaleozoicMesozoic120s
- Q2How long did it take for life to evolve from simple single-celled organisms to the many millions of species of protists, fungi, plants, and animals?1 billion years65 million years3 billion years250 million years120s
- Q3Which of the following is an example of physical evidence that confirmed that the age of the Earth is old?Rock layers do not represent the order in which rocks and fossils appeared.Evidence that earthquakes and volcanic activity to not shape the Earth.Fossils of ancient sea life found on dry land far from oceans.Evidence that the Earth is as old as its youngest rocks.120s
- Q4Older rock layers end up at the bottom of the sequence and the newer ones toward the top. This is an example of which principle or law?Principle of UniformitarianismPrinciple of Cross-CuttingPrinciple of UncomformitiesLaw of Superposition120s
- Q5Why can't all organisms become fossils? Because.......When organisms die, soft parts decay or are eaten by other animals.Some organisms leave bones.Some plants leave seeds or woody parts.Some organisms have shells.120s
- Q6Petrified remains are fossils in which _______________ replace all or part of an organism.All of the Abovemineralsorganic materialsmud120s
- Q7_________________ fossils provide evidence of the activities of ancient organisms.PetrifiedMold & CastTraceIndex120s
- Q8Geologists use a method called _______________ dating to determine the exact age of rocks and fossils in each layer of rock.indexrelativecarbonradiometric or radioactive120s
- Q9During a Mass Extinction event many species of organisms are able to survive an environmental catastrophe. True or FalseTrueFalse120s
- Q10During which Geologic Time Period did dinosaurs first appear?CenozoicPaleozoicPrecambrianTriassic120s
